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This species is accepted, and its native range is Cameroon to Chad and S. Tropical Africa.

[FTEA]

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

Type
Types: Angola, Huilla, Welwitsch 6961 or 6981 (Haines & Lye) (BM, syn.) & Lake Ivantala, Welwitsch s.n. (BM, syn.)
Morphology General Habit
Perennial, shortly rhizomatous or tufted.
Vegetative Multiplication Rhizomes
Rhizome short, rarely elongate.
Morphology Roots
Roots reddish, to 1 mm in diameter.
Morphology Stem
Stem almost terete, 10–65 cm tall, 1–2 mm across, glabrous
Morphology Leaves
Leaves from near the base only, 3–30 cm long, 1–2 mm wide, often inrolled.
Morphology Leaves Leaf sheaths
Sheaths pinkish when young, dark brown near base later
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts 1–3, the largest to 5 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence a terminal head of 3–12 ovoid to cylindrical-conical spikes, 3–13 × 2–4 mm.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelet bracts dark red-brown with pale green midrib and tip, obovate to obtrullate, 1.2–2 × 0.6–1 mm, acuminate with a 0.3–0.5 mm triangular tip; prophyll and glume 1–1.2 mm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 1–2.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers yellow, 0.7–0.8 mm long
Morphology Reproductive morphology Flowers Gynoecium Style
Style very short, with 3 branches
Morphology Reproductive morphology Fruits
Nutlet reddish brown, obovoid, 0.6–1 × 0.2–0.5 mm, with small style base remnant, rounded-trigonous in cross-section.
Ecology
Boggy grassland, seepage in woodland; 250–1100 m
Distribution
Flora districts: T6 T8 Range: Congo-Kinshasa, Angola, Zambia, Mozambique, Zimbabwe

Native to:

Angola, Cameroon, Central African Repu, Chad, Mozambique, Tanzania, Zambia, Zaïre, Zimbabwe

Cyperus lipoater Goetgh. appears in other Kew resources:

First published in Phytotaxa 166: 20 (2014)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.

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