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This species is accepted, and its native range is Tropical & S. 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
Types: Madagascar, Mevatanana, Perrier de la Bathie 477 (P, syn.) & Ampombo, Perrier de la Bathie 4578 (P, syn.; K!, iso.)
Morphology General Habit
Tufted perennial 15–50 cm tall with small clusters of bulb-like persistent woody stem-bases remaining attached to each other and new ones arising within the broadened and hardened lower leaf sheaths.
Morphology Stem
Stems 0.1–1 mm thick, glabrous or with short adpressed hairs below and much denser ones above that render stems scabrid
Morphology Leaves
Leaf sheaths pale to dark reddish brown or golden brown with long flexuous hairs at the throat; blades flat or channelled, up to 25 cm long, 0.5 mm wide, shortly hairy
Morphology Reproductive morphology Inflorescences
Inflorescences of many sessile or very shortly stalked spikelets 5–8 mm long, 0.5–2 mm wide, forming dark brown to almost black heads.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 0.5–3 cm long, long drawn-out above.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes paler at midrib and margin, acute or with short projection, sparsely pubescent or ± glabrous
Morphology Reproductive morphology Fruits
Nutlet at first yellowish white, later dark brown, reticulate or obscurely papillate.
Morphology Reproductive morphology Flowers Gynoecium Style
Style base persistent.
Ecology
Seasonal grassland with bracken and Protea, near swamps, soil in crevices on rocky slopes; 1000–2100 m
Note
" Bidgood et al. 5099 (Iringa District: 33 km on Mafinga–Madibira road, 26 Mar. 2006, in dwarf Brachystegia taxifolia woodland) is a form with spreading pubescence.
Distribution
Range: Senegal to Angola, central and SE Africa, Botswana, Lesotho, South Africa; Madagascar Flora districts: U1 U2 U3 U4 K6 T2 T3 T6 T7 T8

[FWTA]

Cyperaceae, Miss S. S. Hooper. Flora of West Tropical Africa 3:2. 1972

Diagnostic
Close to B. filamentosa and B. metralis but distinguished by the larger more distinct spikelets and stem below the inflorescence scabrid hairy
Ecology
Moist places.

Native to:

Angola, Benin, Botswana, Burkina, Burundi, Chad, Congo, Gabon, Ghana, Guinea, Ivory Coast, Kenya, Lesotho, Liberia, Madagascar, Malawi, Mali, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Bulbostylis scabricaulis Cherm. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1970 Holub [s.n.] K000416751
Perrier de la Bâthie, J.M.H.A. [4578], Madagascar K000416769 isosyntype
Bidgood, S. [5165], Tanzania K000190393
Bidgood, S. [5099], Tanzania K000190327

First published in Bull. Soc. Bot. France 68: 419 (1921 publ. 1922)

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.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • 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.
  • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.

Literature

Flora of West Tropical Africa

  • in Bull. Soc. Bot. Fr. 68: 419 (1922).

Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • 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.
  • 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.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.

Flora of Tropical East Africa

  • Bull. Soc. Bot. Fr. 68: 419 (1922)
  • F.W.T.A. 3: 316 (1972)
  • Haines & Lye, Sedges & Rushes E. Afr.: 121, fig. 228, 229 (1983)
  • Strelitzia 2: 35, fig. 12G, J (1995).

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

Flora of West Tropical Africa
Flora of West Tropical 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