Compilation
Cyperus leucocephalus

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Name

Identification
Cyperus leucocephalus Retz. [family CYPERACEAE ] (stored under name); Cyperus pulchellus R.Br. [family CYPERACEAE ]
Related name
  • Cyperus coronarius
  • Cyperus leucocephalus
  • Scirpus monander
  • Sorostachys kyllingioides
  • Cyperus pulchellus
  • Cyperus sorostachys
  • Cyperus pachyrrhizus
  • Kyllinga pierreana
  • Scirpus coronarius

Flora

Entry for CYPERUS leucocephalus Retz. [family CYPERACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 8, page 264, (1902) Author: (By C. B. Clarke.)
Names
CYPERUS leucocephalus Retz. [family CYPERACEAE], Obs. v. 11. —Kunth, Enum. ii. 97; Boeck. in Linnæa, xxxv. 590; C. B. Clarke in Journ. Linn. Soc. xxi. 107, in Hook. f. Fl. Brit. Ind. vi. 602, and in Durand & Schinz, Conspect. Fl. Afr. v. 566; Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 137; Engl. Hochgebirgsfl. Trop. Afr. 141; Rendle in Cat. Afr. Pl. Welw. ii. 115.
CYPERUS seslerioides Ridley [family CYPERACEAE], in Trans. Linn. Soc. ser. 2, Bot. ii. 130, not of H. B. & K.
CYPERUS Sorostachys Boeck. [family CYPERACEAE], in Linnæa, xxxv. 588.
Sorostachys kyllingioides Steud. [family CYPERACEAE], Syn. Pl. Glum. ii. 71.
Information
Glabrous. Stems 4–10 in. long, slender, bulbous at the base, tufted. Leaves 1/3– 2/3 the length of the stem, 1/16– 1/12 in. broad. Head 1, globose, pallid or cinnamon-coloured, 1/3– 2/3 in. in diam., of 6–40 spikelets; bracts 3, lowest 2 in. long, similar to the leaves. Spikelets attaining 1/3 by 1/6 in., but more often about half these dimensions, much compressed. Glumes broad-oblong, obtuse, 3–1-nerved; closely placed, but in the dry state usually not imbricated owing to the inrolling of the margins. Stamen (at least very often) 1. Style much shorter than the nut; branches 3, linear, medium short. Nut 1/3– 2/3 the length of the glume, oblong, round-trigonous, yellow, somewhat glistening.
Range
Also in Australia and Tropical America.
Distribution
Senegal Upper Guinea Leprieur!Angola Lower Guinea Huilla; banks of the River Cacolovar, 5000 ft., Welwitsch, 1675! in spongy mountainous places at Humpata, Welwitsch, 6783! Pungo Andongo; 3500 ft., Welwitsch, between the Præsidium and Quilanga, Welwitsch, 6772! pastures of the Præsidium near Quilanga and Catete, Welwitsch, 7146! 7147!Soudan Upper Guinea Lécard, 110!
Distribution (external)
India
Malaya
Notes
This plant varies a good deal in the size of the spikelets, but has not been much confused with any other Cyperus. It has been arranged, in the best herbaria, freely with Kyllingia, Ascolepis, and Lipocarpha .

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