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This species is accepted, and its native range is DR Congo to E. Tropical Africa.

[FTEA]

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

Type
Type: Kenya, North Nyeri District: Aberdare Mts, Nyeri side, Haines 1969 (EA, holo.; K, iso.)
Morphology General Habit
Perennial, slender, with a short creeping rhizome, up to 40 cm tall.
Morphology Culms
Culms many, crowded, 24.5–36 cm long, 1–1.6 mm wide, trigonous to triquetrous, slightly scabrid
Morphology Leaves
Leaf sheath reddish-brown at least at the base, 3–7 cm long. Leaves up to 31 cm long. Leaf blade linear, flat, 19–24 cm long, 2–3.5 mm wide, scabrid on margins and leaves, apex acute to acuminate
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, 3–4, the lowermost erect, 3–5 cm long, 2–2.5 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence capitate or anthelate, simple, when simple primary branches 1–4, 0.7–4 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in a dense cluster, sessile or at the end of primary branches, 3–7 per cluster, ovate-lanceolate, 4–7.5 mm long, 2–2.7 mm wide, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dark reddish-black to black, ovate-elliptic, 1.5–2 mm long, 0.9–1.2 mm wide, keel green to pale brown, apex rounded to acute, slightly excurrent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 1.7–2 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0.9–1 mm long,
Morphology Reproductive morphology Fruits
Nutlet dark grey to reddish-brown, ellipsoid-obovoid, 1–1.5 mm long, 0.6–1 mm wide, apiculate and with a distinctly cuneate yellow base, strongly papillose.
Ecology
Clearings in upper montane forest, bamboo and giant heath; 2400–2700 m
Conservation
Least Concern (LC)?
Distribution
Flora districts: U2 K 3/ K4 T2 Range: Congo-Kinshasa

Native to:

Kenya, Tanzania, Uganda, Zaïre

Cyperus afroalpinus Lye appears in other Kew resources:

First published in Nordic J. Bot. 3: 226 (1983)

Accepted by

  • 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. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Literature

Kew Backbone Distributions

  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Flora of Tropical East Africa

  • Haines & Lye, Sedges & Rushes E. Afr.: 160, fig. 298 (1983).
  • Nordic Journ. Bot. 3: 226 (1983)

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