taxonID	type	description	language	source
03D2CE309A5CBF4A90D45CD5DE2FFDA8.taxon	diagnosis	Species Muellera montanae proxima, sed petiolis rachidisque adaxialiter forte subquadrangulatis canaliculatisque, floribus robuste pedicellatis, alis oblongo-falcatis, fructis oblongis opacisque et in zona seminalis subapplanatis recedit.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5CBF4A90D45CD5DE2FFDA8.taxon	materials_examined	Type: — BRAZIL. Ceará: Alcântaras, localidade de Bom Jesus, Serra da Meruoca, 15 December 1990, Fernandes s. n. (holotype UEC! [UEC 144832], isotype EAC! [EAC 16784]) Small tree c. 6 m; bark grey; mature branches cylindrical, grayish, glabrous; young branches ferrugineous-tomentose, greyish to reddish and with rounded, diminute, cream-coloured lenticels; stipules caducous. Leaves 7 - foliolate; pulvinus 2.9 – 3.0 mm long, ferrugineous-tomentose; petiole 1.1 – 3.2 cm long, rachis 2.5 – 3.2 cm long, both conspicuously subquadrangular and canaliculated above, ferrugineoustomentose; petiolule 3 – 4 mm long, rugose transversally. Leaflets 3.1 – 6.5 cm long, 1.7 – 3.3 cm wide, opposite, predominantly elliptical, rare ovate-elliptic or elliptic-obovate, base cuneate, apex acute to retuse, yellowishestrigillose on both surface, subchartaceous; discolorous, venation brochidodromous, secondary veins prominent on lower surface, each forming an angle of 35 – 45 o with the midvein, yellowish and outstanding on both surface; tertiary veins reticulate. Pseudoracemes axillary, solitary, pauciflorous, congested and shorter than leaves, peduncle 1.3 – 1.5 cm long; rachis 4.3 – 7.3 cm long., both angulate, ferrugineous-tomentose; primary bracts (at base of inflorescence) 0.9 – 1.0 mm long, 0.8 – 0.9 mm wide, broadly ovate, rigid, yellowishtomentose; secondary bracts (bract at the base of pedicel) 1.0 × 1.1 mm long, ovate, apex obtuse, yellowishtomentose, persistent; tertiary bracts and bracteoles not seen; bracts primary and secondary with secretory cavities. Flowers whitish, calyx and corolla without secretory cavities; pedicel 5 – 6 mm long, cylindrical, robust, ferrugineous-tomentose; calyx 3.8 – 3.9 mm long, 4.3 – 4.4 mm wide, campanulate, shortly ferrugineous-tomentose externally, base cuneate; vexillary lobe bifid, the 3 carenal lobes, triangular, acute at the apex; standard 7.8 – 9.0 long, 8.7 – 8.9 mm wide, suborbicular, apex emarginate, base cuneate, glabrous internally and shortly sericeous on the central-apical region of the dorsal face, claw 3.9 – 4.0 mm long; wings 6.9 – 7.0 long, 3.8 – 4.0 mm wide, oblong, apex obtuse, base truncate on the vexillary margin, sericeous on the central-apical region of the dorsal face, claw 3.1 – 3.2 mm long.; keels petals 5.9 – 6 long, 4 – 4.9 mm wide, falcate, umbonate, apex obtuse, base truncate on the vexillary margin, claw 4.8 – 5.0 mm long; staminal tube 7.0 – 7.1 mm long. 1.7 – 1.8 mm wide, submembranaceous, glabrous, slightly bicallose basally; anthers ovoid, glabrous; ovary 7 – 8 mm long, linear, sericeous, style conspicuously curved, sericeous, stipe ca. 2 mm long; ovules 6, reniform. Fruit 5.2 – 10.6 cm long, 1.2 – 1.5 cm wide, 2 – 4 seeded, indehiscent, oblong to lanceolate without constrictions between the seeds, base cuneate, apex obtuse, chartaceous, vexillary margin nerviform, yellowish to ferrugineous-tomentose, stipe 3 – 5 mm long. Immature seeds 4.9 – 5.0 mm long, 2.3 – 2.8 mm wide, reniform, light brown to dark, smooth, the hilum subterminal, pronounced.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5CBF4A90D45CD5DE2FFDA8.taxon	distribution	Distribution and ecology: — This species is probably endemic to the northeastern region of Brazil, found in the state of Ceará, where it grows in mountain areas (e. g. Serra da Meruoca), covered by “ Brejo ” forest, in the vicinity of the Acarau and Coreau rivers basins.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5CBF4A90D45CD5DE2FFDA8.taxon	etymology	Etymology: — The epithet honors Brazilian botanist Afrânio Gomes Fernandes, of the Universidade Federal do Ceará, collector of the type specimen, and for his contributions to the knowledge of Brazilian legumes. Phenology: — Fruiting from December to January. Relationships and characterization: — This species is morphologically similar to Muellera montana (A. M. G. Azevedo ex M. J. Silva & A. M. G. Azevedo) M. J. Silva & A. M. G. Azevedo, with which it shares the aspect of the leaflets, the short-campanulate calyx, and the delicate flowers with petals without secretory cavities. However, M. fernandesii can be recognized by a set of characteristics that includes leaves with petioles and rachises strongly subquadrangular and canaliculate above, flowers with robust pedicels, the carenal lobes of the calyx triangular, oblong-falcate wings, and oblong, compressed fruits, that are opaque in the seminal region. In Muellera montana the leaves have petioles and rachises subcylindrical and discreetly canaliculate above, the flowers have a slender pedicel, the carenal lobes of the calyx are narrowly triangular, the wings are elliptic, and the fruits are broadly elliptic to oblong-elliptic with a turgid seminal region. Conservation status: — Muellera fernandesii has been evaluated as VU D 2 (Vulnerable with a limited distribution; IUCN 2001), and the individuals were not abundant where collected. Additional specimens examined (paratypes): — BRAZIL. Ceará: Mun. Alcântaras, localidade de Bom Jesus, Serra da Meruoca, 12 January 1991, Fernades s. n ([EAC 16783, UEC 144831]); Idem, localidade de Algodões, 10 December 1976, Fernandes s. n ([EAC 3062, UEC 144833]).	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	diagnosis	Species haec Muellera virgilioide et Muellera nitenti proxima, a quarum pseudoracemis pendulis, floribus irregulariter dispositis acranthis, bracteolis oblongo-elipticis, oppositis ad apicem pedicellis disposita sub finem anthesis, fructis chartaceis latissime ellipticis usque obovatis-ellipticis, seminis oblongo-reniformis hylis subterminalis recedit.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	materials_examined	Type: — BRAZIL. Minas Gerais: Mun. Itaobim, BR 116, após Ponto dos Volantes, 08 November 2000, C. V. Mendoça Filho & R. Belinello 620 (holotype UEC!, isotype BHCB!).	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	description	Treelets to trees 5.5 – 20.0 m. Bark gray, glabrous. Branches cylindrical, when young usually pendulous, dark brown, glabrescent to shortly hyaline-pubescent or yellowish, lenticels small; when mature, glabrous, fissured or tuberculate basally. Leaves 5 (– 7) - foliolate; pulvinus 1.9 – 2.0 mm long, sparsely ferrugineoustomentose, transversally rugose; petiole 1.8 – 3.2 cm long, rachis 1.3 – 1.9 cm long, both conspicuously subquadrangular, strongly canaliculate above and hyaline-pubescent to ferrugineous, petiolule 2 – 3 mm long, subcylindrical, rugose transversally rugose, canaliculate above, glabrous to glabrescent; stipules caducous. Leaflets 3.0 – 6.2 cm long, 2.0 – 3.8 cm wide, opposite to rarely subopposite (1 st pair), the basal ones, ovate to ovate-elliptic or broadly orbicular, the medial ones elliptic to elliptic-obovate, and the terminal ones broadly elliptic to obovate; base oblique to cuneate, apex obtuse and shortly acuminate, chartaceous, adaxial surface glabrous, abaxial surface glabrescent to shortly hyaline-pubescent along the midrib; venation brochidodromous, secondary veins impressed on both surfaces, each forming an angle of 35 – 45 o with the midvein; tertiary veins reticulate. Pseudoracemes axillary, solitary or sometimes 2 – 3 in the termination of the branches leafless, multiflorous, lax, flowers aggregate or discontinuous along the rachis, peduncle 0.7 – 2.0 cm long, rachis 6.5 – 7.8 cm long, both angulate to subcylindrical, slender to robust, shortly ferrugineoustomentose and with linear secretory cavities; primary bracts, caducous, secondary bracts 0.6 – 0.7 mm long, 1.2 – 1.3 mm wide, depressed-trullate, apex obtuse, caducous from the floral buds, tertiary bracts 0.9 - 1.0 mm long, ovate; bracteoles 0.9 – 1.0 mm long, oblong-elliptic, apex obtuse, caducous, opposite, situated at the apex of pedicel. Bracts and bracteoles ferrugineous-tomentose externally and with secretory cavities. Flowers pink to lilac, calyx with secretory cavities from the base to more than half its length; pedicel 3.2 – 4.5 mm long, subcylindrical, shortly rusty-sericeous; calyx 4.9 – 5.0 mm long, 4.9 – 5.0 mm wide, campanulate, slightly gibbous on the upper side, rusty-sericeous externally, base cuneate to obtuse; vexillary lobe subtruncate, the 3 carenal lobes, shallowly triangular, unequal, acuminate at the apex, subcoriaceous; standard 10.0 – 10.5 mm long, 11.9 – 12.0 mm wide; broadly ovate, apex discreetly emarginate, base attenuate, sericeous on the centralapical region of the dorsal face, claw 1.9 – 2.0 mm long; wings 9.9 – 10.0 mm long, 4.3 – 4.9 mm wide, ovate, apex obtuse, base sagittate on the vexillary margin, sericeous on the central-apical region of the dorsal surface, claw 4.4 – 4.5 mm long; keel petals 7.8 – 8.0 mm long, 3.3 – 3.4 mm wide, falcate, umbonate above the claw, apex obtuse, base attenuate on the vexillary margin, sericeous on the central-apical region of the dorsal face, claw 5.0 – 5.1 mm long; staminal tube 7.8 – 8.0 mm long, 2.6 mm wide, membranaceous, glabrous, slightly bicallose, the free portion of the filaments indumented; anthers 0.8 – 0.9 mm long, oblongoid to lanceoloid, sericeous basally, apiculate; ovary 6.0 – 6.2 mm long, ca. 1.8 mm wide, lanceolate, slightly curved, sericeous on the margin; style 3.9 – 4.0 mm long, sparsely sericeous; stigma punctiform, stipe 3.0 – 3.2 mm long, ovules 6 – 7, reniform, hypanthium 0.9 – 1.0 mm long, asymmetrical. Fruit 4.5 – 6.0 cm long, 2.2 – 2.5 cm wide, 1 - or more rarely 2 - seeded, glabrescent, broadly elliptic to elliptic-obovate, chartaceous, base broadly obtuse to suboblique, apex obtuse to acuminate, vexillary margin nerviform, discreetly reticulate, light brown, stipe 0.7 – 0.8 cm long. Seeds 9 – 10 mm long, 7 – 9 mm wide, sub-oblong, flattened, light dark, smooth, and hilum subterminal with margin convolute on the upper third.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	distribution	Distribution and ecology: — This species is probably endemic to the states of Minas Gerais and Bahia, located in the southeastern and northeastern regions of Brazil. It grows on the edge of seasonally dry tropical forests in clayey soils, and in caatinga vegetation, at 240 – 671 m of elevation.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	etymology	Etymology: — The specific epithet leptobotrys is derived from the Greek words “ leptos ” (slender) and “ botrys ” (bunch of grapes), referring to the long and slender pseudoracemes of the species. Phenology: — Flowering from September to December, and has been collected with fruits in April.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	discussion	Relationships and characterization: — Muellera leptobotrys is characterized by its fruits chartaceous, broadly elliptic to elliptic-obovate, pseudoracemes with flowers discontinuous or aggregated along the rachises, flowers short-pedicelate (pedicel 3.2 – 4.5 mm), staminal tube sparsely indumented, and bracteoles situated on base of the calyx. The vegetative stems and aspect of leaves and leaflets of this species are very similar to M. virgilioides (Vogel) M. J. Silva & A. M. G. Azevedo and M. nitens which occur in the southeastern (Rio de Janeiro), and northeastern (Bahia and Pernambuco) regions of Brazil. More detailed morphological comparisons of these three species are given in table 1. Table 1. Morphological characters distinguishing Muellera leptobotrys, M. nitens, and M. virgilioides.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	description	Conservation status: — The species is currently known only from the states of Minas Gerais and Bahia, where it grows in seasonally dry tropical forests and caatinga vegetation. Both areas have been under intense threat of deforestation, especially for the extraction of timber and the introduction of cattle ranching. Due to current threats to the habitat of this species, it should be considered “ Near Threatened ” (NT) according to IUCN criteria (IUCN 2001).	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A5EBF4C90D45F99DB3DF88B.taxon	materials_examined	Additional specimens examined (paratypes): — BRAZIL. Bahia: Itaberaba, Fazenda Leão dos Brejos, 13 November 1983, G. C. Pinto 372 (CEPEC); Itatim, Morro do Agenor, 12 º 42´S, 39 º 46´W, 240 m, 29 September 1996, França et al. 1864 (CTES, ESA, HUEFS, RB); Jacobina, Serra da Jacobina, s. d., Blanchet 3421 (BM, MICH, NY, P); Jequié, estrada que liga Jequié a Lafayete Coutinho, 11 - 17 km a sudoeste de Jequié, 19 November 1978, Mori et al. 11226 (CEPEC, K, RB); Idem, Morro da Torre 13 º 53´27 ´´ S, 40 º 7´20 ´´ W, 671 m, 13 April 2007, Queiroz et al. 13016 (HUEFS); Morro do Chapéu, no caminho para a Cidade das Pedras, 11 º 40´22 ´´ S, 41 º 00´39 ´´ W, 9 December 2006, Guedes 12894 et al. (ALCB); Paraguaçu, Itaête, Assentamento Baixão, área de loteamento, 13 º 10´S, 41 º 2´W, 15 April 2001, Santana 244 et al. (ALCB, CEPEC); Piritiba, ca. 8 km de França na estrada para Piritiba, 11 º 28´13 ´´ S, 40 º 36´19 ´´ W, 534 m, 2 November 1997, França et al. 2475 (HUEFS); Rui Barbosa, estrada para Barro Duro, 12 º 18´4 ´´ S, 40 º 27´29 ´´ W, 387 m, 14 November 2004, Queiroz et al. 9804 (HUEFS). Minas Gerais: Serra de Antonio, November 1882, Glaziou 12592 (C).	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A58BF4190D45A69D951FCDF.taxon	diagnosis	Species haec Muellera virgilioide et Muellera leptobotrydis proxima, a quarum fructis lanceolatis carthaceis margine superioribus nerviformis, alabastris, bracteis secundariis tertiarisque et bracteolis eglandulatis, alis obovatis et ovariis centraliter glabris recedit.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A58BF4190D45A69D951FCDF.taxon	materials_examined	Type: — BRAZIL. Bahia: Palmeiras, estrada para a Cachoeira da Fumaça a 7 km da cidade, 19 January 2002, Schultz et al. 1328 (holotype UEC!, isotypes K!, NY!). Shrubs or small trees 1.7 – 6.0 m. Bark dark grey to reddish, glabrous. Branches cylindrical, glabrous to glabrescent, striated, and with conspicuous, rounded or linear cream-coloured, lenticels; Leaves 5 – foliolate, pulvinus 1.5 – 1.8 mm long, discreetly striated, glabrescent to rusty-sericeous; petiole 2.0 – 3.8 cm long, rachis 0.8 – 3.0 cm long., both strongly subquadrangular, conspicuously canaliculate above, glabrescent to hyalinepubescent, petiolule 2 – 3 mm long, subcylindrical, rugose transversally, short-pubescent, trichomes reddish; stipules caducous. Leaflets 3.3 – 8.5 cm long, 1.5 – 3.2 cm wide, opposite, the basal ones ovate, the medial ones narrowly elliptic to elliptic-obovate, and the terminal ones broadly elliptic to obovate; base usually oblique, sometimes cuneate, apex conspicuously acuminate, chartaceous, distance between each pair of leaflets 0.9 – 1.0 cm long, discolorous, adaxial surface bright green, sparsely pubescent along the veins, abaxial surface pale green, shortly hyaline-sericeous to glabrescent; venation brochidodromous, secondary veins impressed on both surface, each forming an angle of 35 – 45 o with the midvein; tertiary veins reticulate. Pseudoracemes axillary, solitary, lax; peduncle 0.5 – 1.2 cm long, rachis 4.6 – 7.0 cm long, both angulate, robust, shortly ferrugineous-tomentose, without secretory cavities; primary bracts, caducous, secondary bracts 0.8 – 0.9 mm long, 0.5 – 0.6 mm wide, ovate, apex obtuse, ciliate, persistent, tertiary bracts 0.6 – 0.7 mm long, oblong-ovate, apex rounded; bracteoles 0.9 – 1.0 mm long, ovate, apex acute, persistent, subopposite or alternate and situated on upper third of pedicel. Bracts and bracteoles ferrugineous-tomentose externally, without secretory cavities. Flowers pink, purplish to reddish, calyx sometimes with secretory cavities on the base of lobes, pedicel 8 – 10 mm long, subcylindrical, slender, shortly ferrugineous-sericeous; calyx 3.8 – 3.9 mm long, 3.7 – 4.8 mm wide; broadly campanulate, discretely gibbous on the upper side, base subrounded, ferrugineous-sericeous externally, purplish to reddish, subcoriaceous, vexillary lobe truncate, the 3 carenal lobes, triangular, shallowly triangular, apex obtuse; standard 12.0 – 12.1 mm long, 13.7 – 13.8 mm wide; broadly ovate to orbicular, apex entire to discreetly emarginate, base rounded, not bicallose, ferrugineous-sericeous on the central-apical region of the dorsal surface, claw 3.9 – 4.0 mm long, 4.9 – 5.0 mm wide; wings 10.3 – 10.4 mm long, 5.4 – 5.5 mm wide, obovate, apex rounded, sericeous on the central-apical region of the dorsal surface, base sagittate on the vexillary margin, claw 4.9 – 5.0 mm long; keel petals 8.9 – 9.0 mm long, 4.3 – 4.4 mm wide, falcate, umbonate above the claw, apex obtuse, base subtruncated on the vexillary margin, sericeous on the central-apical region of the dorsal surface, claw 6.0 – 6.1 mm long; staminal tube 9.9 – 10.0 mm long, submembranaceous, reddish, conspicuously thickened basally, glabrous; anthers 0.5 – 0.6 mm long, ovoid, glabrous; ovary 7.0 – 7.2 mm long, 0.9 – 1.0 mm wide, lanceolate, slightly curved on the vexillary margin, sericeous except on the central portion; style 6.9 – 7.0 mm long, glabrous, conspicuously curved; stigma punctiform, stipe 1.4 – 1.5 mm long, ovules 5, sub-reniform, hypanthium ca. 1 mm long, asymmetrical. Fruit 6.0 – 11.3 cm long, 1.2 – 2.0 cm wide, 1 – 3 - seeded, glabrous, lanceolate, woody, base attenuate, apex obtuse and mucronulate, vexillary margin nerviform, discreetly reticulate, light brown, stipe 0.8 – 1.0 cm long. Seeds 7.5 – 8.2 mm long, 6 – 7 mm wide, reniform, smooth, elliptic in cross section, light brow, hilum suborbicular, submedial, margin not thickened.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A58BF4190D45A69D951FCDF.taxon	distribution	Distribution and ecology: — This species is probably endemic to the states of Bahia and Pernambuco, in the northeastern region of Brazil. In Bahia, it is found in the central part of the state, growing in caatinga vegetation, in rocky outcrops, on clayey soils. In Pernambuco, the species occurs in montane dry forests (“ brejos de altitude ”; Sales et al. 1998) in the eastern part of the state, at ca 800 m elevation.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A58BF4190D45A69D951FCDF.taxon	etymology	Etymology: — The specific epithet nitens refers to the brightness of the leaflets on the adaxial surface. Phenology: — Flowering in February and fruiting in June.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A58BF4190D45A69D951FCDF.taxon	discussion	Relationships and characterization: — This species is morphologically similar to Muellera virgilioides from which it differs by its fruits lanceolate, chartaceous and with superior margin nerviform, bracts and bracteoles without secretory cavities, calyx with triangular vexillary lobe, anthers ovoid and glabrous, ovary glabrous on central portion, beyond seeds reniform, elliptic in cross-section and with orbicular hilum. In M. virgilioides, the fruits are woody, oblong-elliptic to elliptic, conspicuously thickened on the superior margin, and constricted between the seeds, the bracts and bracteoles have secretory cavities, the calyx has rounded vexillary lobes, the anthers are ovate to orbicular and indumented, the ovary is fully indumented, and the seeds are oblong, linear in cross section, and have a elliptic hilum.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A58BF4190D45A69D951FCDF.taxon	description	Conservation status: — According to IUCN (2001) criteria, the species should be considered “ Near Threatened ” (NT) because the areas of its occurrence (Caatinga vegetation and montane forests) have been under intense pressure of deforestation for the extraction of timber.	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
03D2CE309A58BF4190D45A69D951FCDF.taxon	materials_examined	Additional specimens examined (paratypes): — BRAZIL. Bahia: Ipirá, ca. 6 km no ramal ao sul da estrada do feijão na BR 52, 12 º 05´S, 40 º 00´W, 2 February 1993, Queiroz et al. 3125 (CEPEC, HUEFS, K, NY, UEC); Palmeiras, estrada Palmeiras-Vale do Caparão próximo a Rio Preto, 12 º 31´S, 41 º 33´W, 900 m, s. d. s. col. (ALCB 041201). Pernambuco: Floresta, Serra do Umã, 16 May 1971, Heringer et al. 790 (PEUFR, RB); Idem, 29 May 1971, Heringer et al. 941 (UB); Inajá, Reserva Biológica de Serra Negra, 80 º 36´S, 38 º 34´15 ´´ W, 9 December 1995, Laurênio et al. 264 (PEUFR).	en	Silva, Marcos José Da, Tozzi, Ana Maria Goulart De Azevedo (2011): Three new endemic species of Muellera (Fabaceae, Papilionoideae) from Brazil. Phytotaxa 29: 41-50, DOI: 10.11646/phytotaxa.29.1.4
