Skip to main content
This species is accepted, and its native range is Tropical Africa, Madagascar.
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: Congo-Kinshasa, Lower Congo, Stanley Pool and Lutete, Hens 62, 67, 74, 75, 239; De Meuse s.n.; Bolongo Cataracts, Luja 134 (BR, syn.) & Angola, Loango, Soyaux 151 (P, syn.)
Morphology General Habit
Perennial tussock plant with short erect rhizome or perhaps sometimes annual, up to 20–40 cm long.
Morphology Stem
Stems 0.3–0.6 mm thick, ridged, with dense hairs ± 0.5 mm long
Morphology Leaves
Leaves with similar hairs to the stems.
Morphology Leaves Leaf sheaths
Sheaths greenish or pale reddish brown; blade green, filiform, 1–2 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence a simple umbel with 2–5 spikelets or rarely reduced to one.
Morphology Reproductive morphology Inflorescences Bracts
Bracts brown with green midrib, up to 10 mm long including long green minutely scabrid midrib 5 mm long, margins with flexuous hairs 1–1.5 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets ovoid, 5–15 mm long, 2–3 mm wide, acute.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glume light reddish brown but almost black along the green midrib above, ovate, 3–3.5 mm long, densely scabrid
Morphology Reproductive morphology Flowers Gynoecium Style
Style branches 3 Style base dark, not persistent.
Morphology Reproductive morphology Fruits
Nutlets light yellowish brown becoming brown with pale angles, obovoid, obtusely triangular, ± smooth according to SEM of Haines & Lye but surface finely reticulate, not transversely wrinkled.
Ecology
Dry grassland in hilly areas, roadside banks, old quarry floor; 1400–1600 m
Note
The epithet subumbellata is not mentioned in the main text of Sedges & Rushes E. Afr. but the SEM of the nut of B. hensii is taken from Lye 608, and the same picture accompanies the original description of A. subumbellata.
Distribution
Flora districts: U2 K7 Range: Senegal to Cameroon, Congo-Kinshasa, Rwanda, Angola

Native to:

Angola, Benin, Burundi, Cameroon, Equatorial Guinea, Gabon, Ghana, Guinea, Gulf of Guinea Is., Ivory Coast, Kenya, Liberia, Madagascar, Nigeria, Rwanda, Senegal, Sierra Leone, Togo, Uganda, Zaïre

Bulbostylis hensii (C.B.Clarke) R.W.Haines appears in other Kew resources:

Date Reference Identified As Barcode Type Status
May 1, 2001 Cheek, M. [8901], Cameroon K000050700
Hens [75], Congo, DRC Fimbristylis hensii K000416659 Unknown type material
Soyaux, H. [151] Fimbristylis hensii K000416660
Nov 22, 1894 Stuhlmann [3966a], Tanzania Bulbostylis subumbellata K000416732

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

Accepted by

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • 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.
  • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.

Literature

Kew Backbone Distributions

  • Cabezas, F., Aedo, C. & Velayos, M. (2004). Checklist of the Cyperaceae of Equatorial Guinea (Annobón, Bioko, Río Muni) Belgian Journal of Botany 137: 3-26.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.

Flora of Tropical East Africa

  • Fl. Rwanda 4: 425 (1988).
  • Sedges & Rushes E. Afr. App. 3: 1 (1983) main work: 109, fig. 195, 196 (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