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This species is accepted, and its native range is S. Ethiopia to Kenya.
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: Kenya, Kitui District: Thika to Garissa, 26 km E of turning S to Kabaa, Stannard & Gilbert 1112 (EA, holo.; K!, iso.)
Morphology General Habit
Tufted annual 4–18 cm tall with very shallow root system.
Morphology Stem
Stems angular, 0.2–0.4 mm wide, scabrid below the inflorescence but otherwise glabrous
Morphology Leaves
Leaves 1–3 cm long, 0.2–0.4 mm wide, scabrid on the margins and main ribs.
Morphology Leaves Leaf sheaths
Sheaths straw-coloured to pale brown, scabrid to hairy with long hairs at the mouth
Morphology Reproductive morphology Inflorescences
Inflorescence a head of 3–5 sessile spikelets often arranged in a cross, 5–8 mm wide.
Morphology Reproductive morphology Inflorescences Bracts
Bracts leafy, 5–20 mm long, at least 1 or 2 longer than a spikelet, spreading or reflexed.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes red-brown with green midrib, ovate-hastate, 2.5–3.2 mm long, narrowed at the apex and extending into a long usually recurved awn, glabrous or pubescent, ciliate at the margins
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 3 branches Style base brown, persistent.
Morphology Reproductive morphology Fruits
Nutlets grey or white, obovoid, 0.6–0.7 mm long, 0.4–0.5 mm wide, covered with pearl-like glossy tubercles.
Ecology
Open bushland/woodland of Commiphora, Cordia, Acacia, Euphorbia etc.; 200–1300 m
Distribution
Range: Not known elsewhere Flora districts: K1 K4 K7

Native to:

Ethiopia, Kenya

Bulbostylis cruciformis (Lye) R.W.Haines appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Stannard, B. [1112], Kenya K000416741 isotype

First published in R.W.Haines & K.A.Lye, Sedges & Rushes E. Afr., App. 3: 1 (1983)

Accepted by

  • Edwards, S., Demissew, S., & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: i-xxviii, 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • 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

  • Edwards, S., Demissew, S., & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: i-xxviii, 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Flora of Tropical East Africa

  • Fl. Eth. 6: 422, fig. 212.51 (1997).
  • main work: 126, figs. 244, 245 (1983)

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