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

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 10–15 x 1–2 mm, linear-lanceolate, falling off entire when mature
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 3–4 mm long, ovate-lanceolate, yellowish white with a paler margin
Morphology Reproductive morphology Flowers Gynoecium Style
Style 3-branched.
Distribution
S1, 3 widespread in eastern Africa.
Ecology
Near sea-level to 100 m.
Note
The Somali collections are very young and poor and the indentification is tentative.
Morphology General Habit
Robust tussocky perennial with a short creeping rhizome and numerous crowded basal leaves
Morphology Stem
Stems 15–90 cm long and 2–4 mm thick, triangular
Morphology Leaves
Leaves 10–90 cm long and 5–13 mm wide, flat or folded, rather stiff, scabrid on margin and midrib
Morphology Reproductive morphology Inflorescences
Inflorescence an open anthela of rather short and wide spikes, but sometimes rather much congested; involucral bracts 4–8, the largest 5–40 cm long Spikes 10–40 x 12–30 mm, with numerous spreading spikelets, sometimes with 1–2 secondary spikes from the base of a primary spike; peduncles 0.5–6 cm long

[FTEA]

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

Type
Type: Mozambique, Tete, Peters s.n. (B, holo.)
Morphology General Habit
Perennial, robust, tussocky, up to 130 cm tall, with a short creeping rhizome.
Morphology Culms
Culms tufted, 15–115 cm long, 2.2–9 mm wide, trigonous, sometimes almost rounded, with longitudinal grooves, glabrous
Morphology Leaves
Leaf blade linear, flat or folded, 15–125 cm long, 6–13 mm wide, scabrid on primary vein and margin, apex acuminate Leaf sheath dark purple at base, (pale) brown higher up, 3.5–10 cm long. Leaves many, crowded at the base, up to 1.3 m long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading, 6–10, lowermost 13–56 cm long, 4.5–12 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a simple anthela, sometimes very congested to almost capitate, primary branches (0–)2–8, (0–)1–9 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets sessile and at the end of primary branches, 12 to many per spike, linear-lanceolate, 9–16 mm long, 1.3–2.2 mm wide, falling off entire when mature.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes yellowish-white with a paler margin, ovate-lanceolate, 3.8–6 mm long, 1.6–2.4 mm wide, keel flat with many veins on either side, apex acute
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 4.6–6.2 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 2.5–2.7 mm long
Morphology Reproductive morphology Fruits
Nutlet dark reddish-brown, oblong to obovoid, trigonous, 2.4–2.7 mm long, 0.6 mm wide, minutely papillose in longitudinal rows.
Ecology
In open grassland, Brachystegia woodland, wooded grassland; sea-level up to 1850 m
Conservation
Least Concern (LC) due to its wide distribution and common habitat.
Distribution
Flora districts: K4 K5 K6 K7 T3 T6 T8 Z P Range: Somalia, Malawi, Mozambique, Zimbabwe

Native to:

Kenya, Madagascar, Malawi, Mozambique, Somalia, Tanzania, Zimbabwe

Cyperus hemisphaericus Boeckeler appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Harris, T. [121], Mozambique K000545104

First published in Flora 42: 436 (1859)

Accepted by

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • 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.
  • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi Scripta Botanica Belgica 34: 1-199.

Literature

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by K. A. Lye [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • E.P. 4, 20 (101): 406 (1936)
  • Fl. Somalia 4: 132 (1995).
  • Flora 42: 436 (1859) – the 3rd page 436 for this volume!
  • Haines & Lye, Sedges & Rushes E. Afr.: 206, fig. 413 (1983)

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens

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