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This species is accepted, and its native range is Somalia to Burundi and Tanzania.
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: Tanzania, Bukoba District, Ihangiro in Karagwe, Stuhlmann 901 (B!, K!, syn.) & 3227 (B, syn.)
Morphology General Habit
Perennial, up to 32 cm tall, with a creeping rhizome (frequently hidden by masses of roots and fibres from old leaf-bases), stolons very rare and brownish when present.
Morphology Culms
Culms densely tufted, the base often swollen and bulb-like, 5–30 cm long, 0.5–1.5 mm wide, trigonous, glabrous
Morphology Leaves
Leaf sheath pale brown, translucent, 1.3–6 cm long, a few of the lower sheaths without blades, old sheaths frequently breaking up into fibres, covering the base of the culm. Leaves up to 22(–25) cm long. Leaf blade linear, flat, canaliculate or incurved, 5–22(–35) cm long, 1.6–2(–3) mm wide, scabrid on main and primary vein, especially above
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, strongly reflexed, 3–4, lowermost 3–13 cm long
Morphology Reproductive morphology Inflorescences
Spikes 1–4, usually 1 central rounded spike and 2 well-developed lateral spikes Inflorescence capitate, an irregular yellow head, pleasantly scented, 5–10 mm long, 5–13 mm wide.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets narrowly ovoid, 3–4 mm long, 0.5–1 mm wide, 2(–3)-flowered, with short prophyll at base, 2–3 fertile glumes and one short empty terminal glume.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes bright yellow, lanceolate, 2.5–4 mm long, keel glabrous or with spine-like hairs, with 2–5 lateral veins on either side, acute or obtuse
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments to 2.5–3 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1.2–1.7 mm long
Morphology Reproductive morphology Fruits
Nutlet dark brownish-black, ellipsoid to slightly obovoid, flattened, 1.5–1.7 mm long, 0.5–0.6 mm wide, minutely papillose.
Ecology
Lake or streamside grassland, grassland on hardpan or on thin soil overlying rock, seasonally swampy grassland; 600–1900 m
Conservation
Least concern (LC)
Note
Cyperus aureostramineus Mattf. & Kük. var. decolorans Kük. is now a synonym of K. comosipes. Distinct in its bright yellow heads; only Cyperus boreochrysocephalus is similar in colour, as are some Ascolepis species and Cyperus chrysocephalus.
Distribution
Flora districts: U1 U3 U4 K4 T1 Range: Rwanda, Burundi

Native to:

Burundi, Kenya, Rwanda, Somalia, Tanzania, Uganda

Cyperus aureostramineus Mattf. & Kük. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Stuhlmann [901], Tanzania Kyllinga chrysantha K000416305

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 20(101): 573 (1936)

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 Kyllinga chrysantha.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Kyllinga chrysantha.]
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466. [Cited as Kyllinga chrysantha.]

Literature

Kew Backbone Distributions

  • 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

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