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This species is accepted, and its native range is Nigeria to Eritrea, S. Tanzania to Zambia.
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
Type: Ethiopia, Walcha in Sana province, 6 Aug. 1841, Schimper III 1602 (P, holo.; H, HAL, K!, UPS, iso.)
Morphology General Habit
Annual, up to 25 cm high.
Morphology Culms
Culms ± 23 cm long, ± 0.6 mm wide, trigonous, smooth
Morphology Leaves
Leaf sheath brown, sometimes with a purplish base, ± 2.5 cm long. Leaves few, up to 17 cm long. Leaf blade narrowly linear, folded, 14.5–15.5 cm long, 0.6–0.8 mm wide, acute to acuminate, glabrous to minutely scabrid
Morphology Reproductive morphology Inflorescences Bracts
Lowermost bract ± erect, continuing in the direction of the culm, the inflorescence therefore appearing ± lateral, 5–8 cm long, 0.9–1 mm wide, glabrous Involucral bracts leaf-like, 2.
Morphology Reproductive morphology Inflorescences
Inflorescence capitate.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 1–3 per head, elliptic-ovate to ovate, 8–15 mm long, 2.6–4 mm wide, axis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes golden brown to brown, margins dark brown, ovate, 3–3.2 mm long, 2.8–3.3 mm wide, keel rounded, 3-veined, greenish yellow, apex acute
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3: filaments 2.5–2.8 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0.4 mm long
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma 2branched
Morphology Reproductive morphology Fruits
Nutlet black, orbicular, 1.3–1.4 mm long, 1.3–1.4 mm wide, strongly transversely wrinkled
Ecology
In swamps, roadside ditches and seasonally moist depressions; 1050–1700 m
Conservation
Least Concern (LC) due to distribution and habitat.
Distribution
Flora districts: T8 Range: Nigeria, Cameroon, Central African Republic, Ethiopia, Zambia

[FWTA]

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

Morphology General Habit
Slender tufted annual
Morphology Reproductive morphology Inflorescences
Few large elliptical spikelets
Ecology
Boggy ground.

Native to:

Angola, Cameroon, Central African Repu, Eritrea, Ethiopia, Nigeria, Tanzania, Zambia

Cyperus pauper Hochst. ex A.Rich. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Feb 1, 1893 Schimper [1602], Ethiopia Pycreus pauper K000363012
Feb 1, 1893 Schimper [1311], Ethiopia Pycreus pauper K000363013

First published in Tent. Fl. Abyss. 2: 478 (1850)

Not 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. [Cited as Pycreus pauper.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Pycreus pauper.]

Literature

Kew Backbone Distributions

  • Edwards, S., Demissew, S., & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: i-xxviii, 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • 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

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