taxonID	type	description	language	source
D7640A65541353679F61378D4406FA89.taxon	description	Figures 1, 2, 3, 4 A-C	en	Wang, Jun, Li, Guo-Dong, Yang, Juan-Juan, Shen, Bin, Pu, Chun-Xia, Zhu, Xin-Xin (2021): Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China III: I. pseudohei, a new species from Yunnan, Southwest China. PhytoKeys 186: 43-52, DOI: http://dx.doi.org/10.3897/phytokeys.186.63543, URL: http://dx.doi.org/10.3897/phytokeys.186.63543
D7640A65541353679F61378D4406FA89.taxon	materials_examined	Type. China. Yunnan: Yuxi City, Xinping County, near Atizuo Village, 101 ° 55 ' 51 " E, 23 ° 58 ' 46 " N, 1823 m a. s. l., 11 September 2018, X. X. Zhu et al. ZXX 18249 (holotype: CSH [CSH- 0157854!]; isotypes: CSH!, KUN!).	en	Wang, Jun, Li, Guo-Dong, Yang, Juan-Juan, Shen, Bin, Pu, Chun-Xia, Zhu, Xin-Xin (2021): Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China III: I. pseudohei, a new species from Yunnan, Southwest China. PhytoKeys 186: 43-52, DOI: http://dx.doi.org/10.3897/phytokeys.186.63543, URL: http://dx.doi.org/10.3897/phytokeys.186.63543
D7640A65541353679F61378D4406FA89.taxon	diagnosis	Diagnosis. Similar to Isostrema hei Lei Cai & X. X. Zhu and I. moupinense (Franch.) X. X. Zhu, S. Liao & J. S. Ma, but significantly diﬀers in the following characters: laminas lanceolate to narrowly lanceolate, basal tube of calyx ca. 1.5 cm long, inside dark purple at base and yellowish white above base; upper tube of calyx ca. 2.3 cm long, inside yellowish white, getting yellow in upper portion; inner surface of limb yellow with purplish red patches; throat yellow, suborbicular, 7 - 9 mm in diameter; apex of gynostemium lobes acute.	en	Wang, Jun, Li, Guo-Dong, Yang, Juan-Juan, Shen, Bin, Pu, Chun-Xia, Zhu, Xin-Xin (2021): Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China III: I. pseudohei, a new species from Yunnan, Southwest China. PhytoKeys 186: 43-52, DOI: http://dx.doi.org/10.3897/phytokeys.186.63543, URL: http://dx.doi.org/10.3897/phytokeys.186.63543
D7640A65541353679F61378D4406FA89.taxon	description	Description. Climbing shrubs. Stems terete, brown pubescent when young, old branchlets glabrous. Petioles 1 - 2 cm long, appressed villous; laminas lanceolate to narrowly lanceolate, 6.5 - 17.5 x 2.6 - 4.5 cm, base round to shallowly cordate, margin entire, apex acute, adaxially sparsely pubescent, abaxially densely villous, especially on veins, lateral veins 4 - 6 - paired. Flower solitary, axillary or on stems; pedicels ca. 3 cm long, densely rusty villous; bractlet 1, lanceolate to elliptic, 3 - 4 mm long, adaxially subglabrous, abaxially densely rusty villous, inserted on middle part of pedicel. Calyx tube geniculately curved, abaxially yellowish white, densely villous; basal tube ca. 1.5 cm long, inside dark purple at base and yellowish white above base; upper tube ca. 2.3 cm long, inside yellowish white, getting yellow in upper portion; limb discoid, ca. 2.1 cm wide, shallowly 3 - lobed, lobes broadly triangular, inner surface yellow with purplish red patches; throat suborbicular, yellow, 7 - 9 mm in diameter. Anthers 6, oblong, ca. 1.6 mm long, adnate in 3 pairs to base of gynostemium, opposite to lobes. Gynostemium 4 - 5 mm long, 3 - lobed, apex of lobes acute. Ovary terete, ca. 8 mm long, densely brown villous. Capsule cylindric, six arrises, ca. 3 x 2.2 cm. Seeds ovate to elliptic, 3.5 - 5 x 3 - 4.5 mm, adaxially deeply concave, abaxially convex, glabrous on both sides.	en	Wang, Jun, Li, Guo-Dong, Yang, Juan-Juan, Shen, Bin, Pu, Chun-Xia, Zhu, Xin-Xin (2021): Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China III: I. pseudohei, a new species from Yunnan, Southwest China. PhytoKeys 186: 43-52, DOI: http://dx.doi.org/10.3897/phytokeys.186.63543, URL: http://dx.doi.org/10.3897/phytokeys.186.63543
D7640A65541353679F61378D4406FA89.taxon	etymology	Etymology. The specific epithet refers to the similarity between the new species and Isotrema hei in the morphology of lamina and flower. The Chinese name is given as " 拟何氏关木通 ".	en	Wang, Jun, Li, Guo-Dong, Yang, Juan-Juan, Shen, Bin, Pu, Chun-Xia, Zhu, Xin-Xin (2021): Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China III: I. pseudohei, a new species from Yunnan, Southwest China. PhytoKeys 186: 43-52, DOI: http://dx.doi.org/10.3897/phytokeys.186.63543, URL: http://dx.doi.org/10.3897/phytokeys.186.63543
D7640A65541353679F61378D4406FA89.taxon	distribution	Distribution and habitat. Isotrema pseudohei is distributed in Xinping County of Yunnan Province, China. It grows on the roadside or in mixed forests on sunny slopes at an elevation between 1820 m and 2045 m, together with other taxa as Castanopsis sp. (Fagaceae), Commelina undulata R. Br. (Commelinaceae), Disporum sp. (Colchicaceae), Lycianthes macrodon (Wall.) Bitter (Solanaceae), Rubus sp. (Rosaceae), etc.	en	Wang, Jun, Li, Guo-Dong, Yang, Juan-Juan, Shen, Bin, Pu, Chun-Xia, Zhu, Xin-Xin (2021): Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China III: I. pseudohei, a new species from Yunnan, Southwest China. PhytoKeys 186: 43-52, DOI: http://dx.doi.org/10.3897/phytokeys.186.63543, URL: http://dx.doi.org/10.3897/phytokeys.186.63543
