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This species is accepted, and its native range is Eritrea to Angola, Yemen.
A specimen from Kew's Herbarium

[FTEA]

Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

Type
Type: Tanzania, Kilimanjaro, 11000 ft, Johnston 157 (K!, holo.)
Morphology General Habit
Densely tufted perennial 10–40(–70) cm tall from short creeping rhizome, often inconspicuous because of the dense stems.
Morphology Stem
Stems 0.4–0.7 mm thick, glabrous or with short spine-like hairs
Morphology Leaves
Leaf sheaths pale brown or with reddish dots or streaks, glabrous save for long hairs at mouth; outer sheaths often burnt off; blades 5–12 cm long, 0.5 mm wide, flat or channeled, with many spine-like hairs on margins; cells on upper surface rectangular
Morphology Reproductive morphology Inflorescences
Inflorescence a compact head of 3–8 spikelets, each up to 10 mm long and 3 mm wide.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes pale to dark brownpurple or almost black, (2–)3–4 mm long, mostly acute, many-veined, glabrous or pubescent, often with frayed or ciliate margins
Morphology Reproductive morphology Fruits
Nutlets pale brown or grey, ovoid, 1.3–1.7 mm long, 0.8–1 mm wide, with obscure transverse wrinkles and longitudinal interrupted microsculpture.
Ecology
Afroalpine grassland, rocky moorland, ericoid scrub; (1900–)2400–3700 m
Note
" J. Bally 55 (Mt Kenya, 3300 m) and Townsend 2274 (Mt Kenya ± 2 km SE of Lake Ellis, 3425 m) represent a large-headed form with inflorescences up to 2.5 cm long. Maas Geesteranus 5492 had been determined as B. cardiocarpa (Ridl.) C.B. Clarke; Emson 41 had been identified as B. cinnamomea (Boeck.) C.B. Clarke. Glover et al. note on several sheets from the Maasai Mara that the species is grazed by all domestic stock.
Distribution
Flora districts: U1 U3 K3 K4 K5 K6 T2 T4 T6 Range: Ethiopia, Angola, Zambia, Malawi

Native to:

Angola, Burundi, Eritrea, Ethiopia, Kenya, Rwanda, Sudan, Tanzania, Uganda, Yemen, Zaïre

Bulbostylis atrosanguinea (Boeckeler) C.B.Clarke appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Dec 13, 2006 Polhill, R.M. [115], Kenya K000334165
Dec 11, 2006 Wesche, K. [1369], Kenya K000334162
Oct 10, 2006 Routledge, S.W. [1908], Kenya K000334172
Oct 9, 2006 Maas Geesteranus, R.A. [5492], Kenya K000334184
Jul 20, 2006 Townsend, C.C. [2274], Kenya K000334183
Oct 29, 1896 Johnston, H.H. [157], Tanzania K000416731 Unknown type material
Battiscombe, E. [985], Kenya K000334163
Glover, P.E. [1004], Kenya K000334176
Glover, P.E. [1135], Kenya K000334177
Luke, P.A. [4797], Kenya K000334181
Haines, R.W. [4013], Kenya K000334168
Battiscombe, E. [282], Kenya K000334186
Bally [5005], Kenya K000334173
Luke, P.A. [4599], Kenya K000334185
Edwards, D.C. [1818], Kenya K000334169
Bogdan, A. [3534], Kenya K000334170
Glover, P.E. [1500], Kenya K000334178
Scott Elliot, G.F. [6971], Kenya K000334179
Bally, J. [55], Kenya K000334182
Hooper, S.S. [1048], Kenya K000334166
Glover, P.E. [1179], Kenya K000334174
Polhill [428], Kenya K000334164
Glover, P.E. [1397], Kenya K000334175
Dowson, W.J. [594], Kenya K000334171
Lye, K.A. [6385], Kenya K000334167

First published in T.A.Durand & H.Schinz, Consp. Fl. Afric. 5: 611 (1894)

Accepted by

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Literature

Kew Backbone Distributions

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.

Flora of Tropical East Africa

  • Durand & Schinz, Consp. Fl. Afr. 5: 611 (1895)
  • F.D.-O.A. 1: 414 (1937)
  • F.T.A. 8: 425 (1902)
  • Haines & Lye, Sedges & Rushes E. Afr.: 100, fig. 171, 172 (1983).
  • J. E.A. Nat. Hist. Soc. 25 (110): 4, fig. 17 (1965)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0