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This species is accepted, and its native range is S. Tanzania, Madagascar.

[FTEA]

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

Type
Type: Madagascar, Zazafotsy, Perrier de la Bâthie 2584 (P!, holo.; P!, iso.)
Morphology General Habit
Perennial, up to 39 cm tall.
Morphology Culms
Culms densely tufted, the base of the culms surrounded by many fibres, 11–35 cm long, 0.9–1.1 mm wide, trigonous, glabrous
Morphology Leaves
Leaves up to 22 cm long. Leaf sheath brownish, 3.5–6 cm long, turning fibrous when old. Leaf blade linear, canaliculate, 6–16 cm long, 0.5–2 mm wide, scabrid on margins, apex acute to acuminate
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, erect, 2–3, lowermost 2.5–6 cm long, 0.8–1.3 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a simple anthela, primary branches 1–2, 1–2.7 cm long or sometimes capitate. Spikes ovoid, sessile or at the end of primary branches
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 3–12 per spike, ovoid-lanceolate, 4.3–7.1 mm long, 2.1–3 mm wide, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes yellowish-brown to reddish-brown, boat-shaped, 2.2–2.9 mm long, 1.5–2 mm wide, keel flat, with many veins on either side, apex rounded
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 3–3.2 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1.3–1.7 mm long
Morphology Reproductive morphology Fruits
Nutlet dark reddish-brown, sometimes the edges almost black, ellipsoid, trigonous, 1.5–2.1 mm long, 0.8–1 mm wide, smooth to minutely papillose.
Ecology
Margin of Brachystegia woodland with boggy grassland, shallow soil over rock; 300–1050 m
Conservation
Needs information on population sizes and habitat threats.
Note
In the type specimens there are more and longer involucral bracts; the leaves are slightly longer as well.
Distribution
Flora districts: T8 Range: Probably Mozambique, Madagascar

Native to:

Madagascar, Tanzania

Cyperus perrieri (Cherm.) Hoenselaar appears in other Kew resources:

First published in Fl. Trop. E. Africa, Cyperac.: 222 (2010)

Accepted by

  • 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
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