Compilation
Cyperus corymbosus

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Name

Identification
Cyperus corymbosus Rottb. [family CYPERACEAE ] (stored under name); Verified by Clarke, C.B., Cyperus tegetum Roxb. [family CYPERACEAE ] Cyperus diphyllus Retz. [family CYPERACEAE ]
Related name
  • Cyperus aequalis
  • Cyperus elegans
  • Cyperus koenigii
  • Igynus scariosus
  • Cyperus tegetum
  • Cyperus corymbosus
  • Cyperus longus
  • Cyperus diphyllus
  • Cyperus scariosus
  • Cyperus
  • Schoenoplectus corymbosus
  • Chlorocyperus cordobensis
  • Cyperus articulatus

Flora

Entry for CYPERUS sphærospermus Schrad. [family CYPERACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Capensis
Resource Type
Reference Sources
Entry From
Flora Capensis, Vol 7, page 149, (1900) Author: (By C. B. CLARKE.)
Names
CYPERUS sphærospermus Schrad. [family CYPERACEAE], Anal. Fl. Cap. 8;—Nees in Linnæa, viii. 78, x. 133; Kunth, Enum. ii. 106; Krauss in Flora, 1845, 754.
CYPERUS corymbosus Steud. [family CYPERACEAE], in Flora, 1829, 153, not of Rottb.
CYPERUS flavissimus Steud. [family CYPERACEAE], in Flora, 1829, 152, not of Schrader.
CYPERUS denudatus Boeck. [family CYPERACEAE], in Linnæa, xxxv. 576 partim; C. B. Clarke in Journ. Linn. Soc. xxi. 124.
CYPERUS tristis Drège d [family CYPERACEAE], Pflanzengeogr. Documente 177.
CYPERUS arrhizus Boeck. ex C. B. Clarke [family CYPERACEAE], in Durand and Schinz, Conspect. Fl. Afr. 577.
Information
glabrous, medium-sized; rhizome horizontal, thick, woody, often several in. long, with ovate scales; stems 4–20 in. long, slender and obtusely trigonous at the top, smooth; leaves 2/3 the length of the stem, 1/8– 1/6 in. broad; umbel compound or decompound, 1–6 in. in diam.; bracts 3–5, similar to the leaves, lowest overtopping the umbel; spikelets 3–7, digitate, brown, brown-red or dusky straw-colour, up to 1/2 by 1/6– 1/8 in., much compressed, 16–30-flowered; glumes boat-shaped, elliptic, obscurely 3-nerved, varying greatly in the closeness of packing; keel excurrent in a very short obtuse mucro; stamens 3; anthers linear, not crested; nut 1/4– 1/3 the length of the glume, globose, triquetrous, pale-brown (in this species as in some of its neighbours great numbers of the nuts are infertile);style not 1/2 the length of the nut; branches 3, linear, exserted from the glume. null
Range
Also in Tropical Africa and Madagascar.
Distribution
COAST REGION Clanwilliam Div., Zeyher! Cape Div.; Table Mountain, Ecklon, 890! Zeekoe Vallei, Ecklon, 82! Cape Flats, Schlechter, 231! Paarl Div.; Berg River in Klein Drakenstein Mountains, below 500 ft. (mixed with C. denudatus), Drège! Swellendam Div.; Zonder Einde River, Burchell, 7514! Humansdorp Div.; Diep River, Bolus, 2691! Uitenhage Div.; by the Zwartkops River, Burchell, 4432! Gill! Bathurst Div.; near Theopolis, Burchell, 4095! Albany Div.; Glentilling, Drège, 3960! Komgha Div.; near the mouth of the Kei River, Flanagan, 1785!EASTERN REGION Natal; Umlaas River, Krauss, 215! and without precise locality, Buchanan, 105! 123! Gerrard, 700! Drège, 4436! Delagoa Bay, Speke, 2! Menyhart, Junod, 87! Kuntze, 220!KALAHARI REGION Bechuanaland; Eastern Bamanguato Territory, Holub! Transvaal; Houtbosh, Rehmann, 5645! Bosch Veld, between Kameels Poort and Elands River, Rehmann, 4800! Var. β, Transvaal, Fehr.SOUTH AFRICA without locality, Drège, 1597! 2029! 2466! Harvey, 384! Ecklon and Zeyher, 21! 128! 130!
Notes
This species hardly differs from C. denudatus, but by the evolution of leaves; Var. β is intermediate between the two species, and might be interpreted to indicate that C. sphærospermus is only the leafy state of C. denudatus —as Kunth treated it in his naming of Drège's collection.

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