taxonID	type	description	language	source
1EA02345886A56E8920D05ABDF9806C2.taxon	description	Figures 2, 3	en	Wei, Neng, Mutie, Fredrick Munyao, Mwachala, Geoffrey, Grace, Olwen M., Hu, Guang-Wan, Wang, Qing-Feng (2021): Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euphorbiaceae). PhytoKeys 183: 21-35, DOI: http://dx.doi.org/10.3897/phytokeys.183.70285, URL: http://dx.doi.org/10.3897/phytokeys.183.70285
1EA02345886A56E8920D05ABDF9806C2.taxon	materials_examined	Type. Kenya. Makueni County, Mbuinzau, 2 ° 23 ' 25.56 " S, 37 ° 54 ' 42 " E, 970 m, 29 Sep. 2018, Sino-Africa Joint Investigation Team (SAJIT) 007200 (holotype HIB!; isotypes EA!, HIB!, K!)	en	Wei, Neng, Mutie, Fredrick Munyao, Mwachala, Geoffrey, Grace, Olwen M., Hu, Guang-Wan, Wang, Qing-Feng (2021): Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euphorbiaceae). PhytoKeys 183: 21-35, DOI: http://dx.doi.org/10.3897/phytokeys.183.70285, URL: http://dx.doi.org/10.3897/phytokeys.183.70285
1EA02345886A56E8920D05ABDF9806C2.taxon	diagnosis	Diagnosis. Euphorbia mbuinzauensis is most similar to E. pseudomollis, from which it differs by its shorter habit, up to 4 m (vs. to 9 m), abaxial leaves surfaces with densely stellate hairs (vs. simple hairs), 2 - to 4 - forked cymes (vs. 1 - to 2 - forked), bracts ca. 2.5 x 3.0 mm (vs. ca. 3.5 x 3.5 mm), dentate margin on bract (vs. entire or with a few teeth), cyathia 6 mm wide (vs. 8 mm wide), gland without narrow smooth margin (vs. with a narrow smooth margin), fruits ca. 8 x 7 mm (vs. ca. 10 x 10 mm), and ovoid seeds ca. 1.8 x 2.2 mm (vs. subglobose, ca. 2.5 x 2.5 mm).	en	Wei, Neng, Mutie, Fredrick Munyao, Mwachala, Geoffrey, Grace, Olwen M., Hu, Guang-Wan, Wang, Qing-Feng (2021): Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euphorbiaceae). PhytoKeys 183: 21-35, DOI: http://dx.doi.org/10.3897/phytokeys.183.70285, URL: http://dx.doi.org/10.3897/phytokeys.183.70285
1EA02345886A56E8920D05ABDF9806C2.taxon	description	Description. Many-branched shrub to 4 m high. Branches cylindrical, fleshy, and marked with prominent elliptic leaf scars. Leaves fleshy, subsessile, deciduous at fruiting stage, with a pair of reduced stipules; lamina subrotund to obovate, to ca. 14 x 6 cm, apex rounded to obtuse with a recurved tip, margin slightly undulate, crenate, midrib distinctly keeled beneath, blade inflated, incurved, adaxial surfaces densely pubescent, green, turning to purplish grey green during dry season, abaxial surfaces densely stellate hairy, occasionally tinged purplish, with stellate hairs along the midrib. Inflorescences monoecious, in dense pseudo-umbels of 2 - 5 cymes on pubescent peduncles to 4 cm long; cymes 2 - 4 - forked, with pubescent branches to 1.8 cm long; bracts subquadrate, ca. 2.5 x 3.0 mm, dentate, densely pubescent. Cyathia ca. 2.5 x 6.0 mm, with broadly funnel-shaped involucres, pubescent below; glandular rim ca. 1.2 mm wide, deeply furrowed and wrinkled, purplish red, mostly shallowly notched on the one side, but with a deep notch when young; lobes subquadrate, ca. 2.0 x 2.5 mm, purplish red, pubescent. Male flowers: staminate flowers 0.8 mm long, enclosed by involucral lobes and bracteoles; bracteoles fan-shaped, laciniate, plumose, 3 mm long, with pedicels minutely pubescent; pedicels 3 mm long. Female flowers: styles ca. 2 mm long, connate at the base, pubescent, with distinctly bifid thickened apices, deciduous in fruit. Capsules obovoid, deeply acutely lobed, apex depressed, to 8 x 7 mm, from purplish red to yellowish green, pubescent, explosively dehiscing septicidally and loculicidally into 3 2 - valved cocci; pedicel recurved, pubescent, to 8 mm long; columella persistent, 6 - 7 mm long. Seeds ovoid, obscurely 4 - angled, ca. 1.8 x 2.2 mm, pale brown to dark brown, shallowly tuberculate; caruncle rudimentary.	en	Wei, Neng, Mutie, Fredrick Munyao, Mwachala, Geoffrey, Grace, Olwen M., Hu, Guang-Wan, Wang, Qing-Feng (2021): Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euphorbiaceae). PhytoKeys 183: 21-35, DOI: http://dx.doi.org/10.3897/phytokeys.183.70285, URL: http://dx.doi.org/10.3897/phytokeys.183.70285
1EA02345886A56E8920D05ABDF9806C2.taxon	distribution	Distribution and ecology. Only one population of the new species was found at the foot of Mbuinzau hill, Makueni County, Kenya (Figure 4). Here it grows in open deciduous woodlands covered by lava outcrops at an elevation of ca. 970 m.	en	Wei, Neng, Mutie, Fredrick Munyao, Mwachala, Geoffrey, Grace, Olwen M., Hu, Guang-Wan, Wang, Qing-Feng (2021): Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euphorbiaceae). PhytoKeys 183: 21-35, DOI: http://dx.doi.org/10.3897/phytokeys.183.70285, URL: http://dx.doi.org/10.3897/phytokeys.183.70285
1EA02345886A56E8920D05ABDF9806C2.taxon	etymology	Etymology. The epithet " Euphorbia mbuinzauensis " refers to its type locality, Mbuinzau in Makueni County, Kenya.	en	Wei, Neng, Mutie, Fredrick Munyao, Mwachala, Geoffrey, Grace, Olwen M., Hu, Guang-Wan, Wang, Qing-Feng (2021): Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euphorbiaceae). PhytoKeys 183: 21-35, DOI: http://dx.doi.org/10.3897/phytokeys.183.70285, URL: http://dx.doi.org/10.3897/phytokeys.183.70285
1EA02345886A56E8920D05ABDF9806C2.taxon	materials_examined	Additional specimens examined (Paratypes). KENYA. Makueni County, Mbuinzau, 2 ° 23 ' 25.56 " S, 37 ° 54 ' 42 " E, elev. 970 m, 5 Dec. 2018, SAJIT 007411 (EA!, HIB!). Specimens examined for Euphorbia pseudomollis. Kenya. Makueni, Kibwezi, c. 1000 m, 2 ° 26 ' S, 38 ° 1 ' E, 22 Mar. 1906, G. Scheffler 137 (isotypes AMD [AMD. 66883] image!, BM [BM 000911307]!, K [K 000238424]!, S [S 13 - 12929] image!, WAG [WAG 0004308] image!); Taita-Taveta, Mwatate, 3 ° 31 ' S, 38 ° 24 ' E, 29 Apr. 1963, P. R. O. Bally B 12725 (BR [BR 0000016225411] image!, K [K 000238420]!); Taita-Taveta, Mwatate West of Voi, 3 ° 30 ' S, 38 ° 23 ' E, 15 Jul. 1960, L. C. Leach & R. Bayliss 10258 (K [K 000238421]! & [K 000238422]!); Kitui, Mutomo Hill Plant Sanctuary, 900 - 1000 m, 1 ° 51 ' S, 38 ° 13 ' E, 2 May 1970, J. B. Gillett 19141 (EA!, K [K 000238423]!); Taita-Taveta, Taita, Sisal Estate, Senbi Hill, 1050 m, 3 ° 31 ' S, 38 ° 24 ' E, 17 Aug. 2000, P. A. Luke & W. R. Q. Luke 6432 (EA!). Tanzania. Kilimanjaro, above Mwembe, 1005 m, 4 ° 8 ' S, 37 ° 51 ' E, 9 Apr. 1972, B. J. Harris BJH 6342 (K [K 000238425]!); Kilimanjaro, Mwembe, 4 ° 10 ' S, 37 ° 51 ' E, unknown date, P. R. O. Bally B 11499 (E 54) (K [K 000238426]! & [K 000238427]!); Dodoma, Mpwapwa, 1128 m, 6 ° 21 ' S, 36 ° 29 ' E, 30 Jun. 1938, Hornby 911 (K [K 000238428]!); Tanga, Handeni, Kideleko, 609 m, 5 ° 29 ' S, 38 ° 1 ' E, 1 Jul. 1965, M. E. Archbold 471 (K [K 000238430]!); Tanga, Handeni, Chanika Village, 700 m, 5 ° 25 ' S, 38 ° 1 ' E, 23 Sep. 1979, O. Hedberg et al. TMP 194 (K [K 000238431]!); Morogoro, Kilombero, Lugoda, 1800 m, 8 ° 42 ' S, 35 ° 49 ' E, Aug. 1988, E. Adiheysen 224 (K [K 000238432]!); Iringa, a little north of Morogoro road, 1554 m, 7 ° 30 ' S, 36 ° 10 ' E, 27 Feb. 1962, R. M. Polhill & S. Paulo 1618 (BR [BR 0000016225435] image!, EA!, K [K 000238433]!, P [P 00581481] image!); Lindi, 22 Apr. 1933, H. J. Schlieben n 6383 (BR [BR 0000016225428] image!). Specimens examined for Euphorbia bicompacta var. bicompacta: Kenya. Machakos, 1 ° 31 ' S, 37 ° 16 ' E, 7 Jun. 1902, T. Kassner 956 (Holotype K [K 000237846]!; Isotype BM [BM 000911306]!); Taita-Taveta, Wusi, 1371 m, 3 ° 27 ' S, 38 ° 21 ' E, May 1931, ERN 1322 (K [K 000237843]!); Machakos, 1 ° 31 ' S, 37 ° 16 ' E, 27 Mar. 1940, P. R. O. Bally E 144 (K [K 000237845]!); Makueni, Kibwezi, Sisal Estate, 914 m, 2 ° 26 ' S, 38 ° 1 ' E, Jun. 1943, P. R. O. Bally B 2573 (K [K 000237847]!); Kitui, Migwani, 10 miles N of Migwani on Tharaka road, 0 ° 57 ' 18 " S, 38 ° 1 ' 9 " E, 3 May 1960, D. M. Napper 1596 (BR [BR 0000016224810] image!, EA!, K [K 000237848]!); Nairobi, Nairobi arboretum, 1768 m, 1 ° 17 ' S, 36 ° 49 ' E, Aug. 1932, I. R. Dale 2887 (K [K 000237849]!); Nairobi, Langata, 1 ° 20 ' S, 36 ° 46 ' E, 20 March 1963, P. R. O. Bally B 12659 (K [K 000237850]!); Kiambu, Muguga, 1 ° 11 ' S, 36 ° 38 ' E, 8 Jun. 1962, J. Gichuru 14 (K [K 000237851]!); Nyeri, Karatina, 0 ° 29 ' S, 37 ° 8 ' E, 24 Apr. 1943, P. R. O. Bally B 2541 (EA!, K [K 000237852]!); Embu, Thuchi, crossing on Embu-Meru road, 760 m, 0 ° 25 ' S, 37 ° 52 ' E, 4 Apr. 1970, J. B. Gillett & B. Mathew 19063 (BR [BR 0000016224803] image!, K [K 000237853]!); Laikipia, Kisima farm, 1700 m, 0 ° 30 ' S, 36 ° 30 ' E, 14 Jun. 1972, P. R. O. Bally B 15106 (K [K 000237854]!); Taita-Taveta, Msau River Valley, 800 - 950 m, 3 ° 24 ' S, 38 ° 24 ' E, 18 May 1985, C. H. S. Kabuye et al. 743 (K [K 000237855]!); Taita-Taveta, Kasigau Mountain, 1000 m, 3 ° 50 ' S, 38 ° 40 ' E, 31 May 1998, W. R. Q. Luke et al. 5344 (K [K 000237856]!); Elgeyo Marakwet, Arror lower, Pt 203, 1050 m, 1 ° 0 ' 55 " S, 35 ° 37 ' 27 " E, 30 Jul. 2017, Mwadime N 1861 (EA!).	en	Wei, Neng, Mutie, Fredrick Munyao, Mwachala, Geoffrey, Grace, Olwen M., Hu, Guang-Wan, Wang, Qing-Feng (2021): Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euphorbiaceae). PhytoKeys 183: 21-35, DOI: http://dx.doi.org/10.3897/phytokeys.183.70285, URL: http://dx.doi.org/10.3897/phytokeys.183.70285
