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

[FTEA]

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

Type
Type: Ethiopia, Chiré, Quartin Dillon s.n. (P, holo.)
Morphology General Habit
Slender perennial.
Morphology Stem
Stems 3–18 cm tall, 0.3–0.5 mm thick, arising closely at intervals of less than 5 mm on a short horizontal rhizome.
Vegetative Multiplication Rhizomes
Rhizome to 2 mm diameter; base swollen, covered by fibrous remains of old leaf sheaths
Morphology Leaves
Leaves 3–many per stem, pale green, half to more than the stem length, 4–17 cm long, 1.1–1.6 mm wide, flat, margin and midrib with minute spine-like hairs.
Morphology Leaves Leaf sheaths
Sheath pale brown, to 2.8 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence a terminal pale green head, globose or slightly wider than long, 3–10 mm across, consisting of many spikelets 2–4 mm long; each spikelet with many spirally arranged squarrose glumes/scales, whitish with green midrib and apex, 1.2–2.5 mm long, with narrow green acumen 0.5–0.8 mm long Inflorescence bracts spreading, 4–6, the longest 4–9 cm long and similar to leaves
Morphology Reproductive morphology Flowers Androecium Stamens
Stamen 1.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0.3–0.6 mm, not crested
Morphology Reproductive morphology Flowers Gynoecium Style
Style 3-branched
Morphology Reproductive morphology Fruits
Nutlet creamy yellow, obovoid, 0.5–0.7 × 0.3–0.4 mm, minutely papillose.
Ecology
Edges of depressions or shallow soil over rocks in the woodland zone; 750–1400(–2000) m
Note
Though Haines & Lye state the combination was published in Nordic Journ. Bot. 3 (1983), this did not occur.
Distribution
Range: Eritrea, Ethiopia, ?Angola, Zambia, Zimbabwe Flora districts: K1 K4 T2 T4 T5 T6 T7

Native to:

Chad, Eritrea, Ethiopia, Kenya, Sudan, Tanzania, Zambia, Zimbabwe

Cyperus steudneri (Boeckeler) Larridon appears in other Kew resources:

First published in Pl. Ecol. Evol. 146: 138 (2013)

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

  • 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.

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