Skip to main content
This species is accepted, and its native range is Coastal Central & S. Somalia.

[FSOM]

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

Type
C1, between “Obbia” and “Sissib”, Puccioni & Stefanini 391 (FT holo.)
Morphology General Habit
Tussocky perennial with a prominent woody rhizome to c. 5 mm thick; roots slender, without tomentum
Morphology Stem
Stems solitary or a few together, 5–25 cm long and 0.7–1.5 mm thick, obtusely angular to somewhat compressed or almost terete, glabrous
Morphology Leaves
Leaves numerous, mostly basal and only 2–3 cm up the stem; blade to 20 cm long but mostly prominently coiled up and then often less than 3 cm long, 0.5–2 mm wide, very thick, flat below, more squarish to triangular above, prominently but irregularly scabrid on margin and lower side of midrib; sheath glabrous, straw-coloured to reddish brown with a prominent almost white membranous margin
Morphology Reproductive morphology Inflorescences
Inflorescence a terminal head 9–13 mm in diam., consisting of numerous crowded sessile spikelets; involucral bracts 2–3, to 9 cm long, spreading, leaf-like, but often not coiled up or coiled at the apex only
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 5–7 x 3–4 mm, ovate with obtuse or subacute apex, only slightly compressed, variegated grey-reddish brown, 10–20-flowered; the rhachilla prominently notched
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 2–3 mm long, ovate, concave, reddish brown with a pale marginal border and 3–4 paler narrow nerves on each side of the midrib that is green and prominent in upper half of glume only; midrib ending in the obtuse apex or excurrent in a very short mucro
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 3 long branches
Morphology Reproductive morphology Fruits
Nutlet 0.9–1 mm long and wide, rounded in outline, prominently triangular in section with all 3 sides very concave, grey and minutely papillose.
Distribution
C1; S2 not known elsewhere.
Ecology
Altitude probably below 50 m only.
Note
This is very close to C. mogadoxensis, but differs in its more coiled leaf-blades, and in its smaller and less compressed spikelets with smaller glumes and nutlets.

Native to:

Somalia

Cyperus medusaeus Chiov. appears in other Kew resources:

First published in Pl. Nov. Aethiop.: 13 (1928)

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.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Väre, H. & Kukkonen, I, (2006). Typification of names in Cyperus section Arenarii (Cyperaceae) Nordic Journal of Botany 24: 279-294.

Literature

Flora of Somalia

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

Flora of Somalia
Flora of Somalia
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