Compilation
Isolepis natans

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Name

Identification
Isolepis natans (Thunb.) A.Dietr. [family CYPERACEAE ] (stored under name); Isolepis rivularis Schrad. [family CYPERACEAE ]
Related name
  • Isolepis natans
  • Scirpus natans
  • Eleocharis retroflexa
  • Isolepis rivularis
  • Scirpus rivularis

Flora

Entry for SCIRPUS sororius C. B. Clarke [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
SCIRPUS sororius C. B. Clarke [family CYPERACEAE], in Durand and Schinz, Conspect. Fl. Afr. v. 630
SCIRPUS setaceus Boeck. [family CYPERACEAE], in Linnæa, xxxvi. 500 partly.
SCIRPUS minutissimus Boeck. ex C. B. Clarke [family CYPERACEAE], in Durand and Schinz, Conspect. Fl. Afr. v. 630.
Isolepis sororia Kunth [family CYPERACEAE], Enum. ii. 192.
Isolepis natans Nees [family CYPERACEAE], in Linnæa, ix. 291 partly.
Information
small, glabrous, tufted, annual; stems 2–4 in. long, setaceous, each with 1 or 2 sessile spikelets; leaves 1–2 in. long, setaceous, or often hardly any; spikelets 1/10– 1/8 in. long, ovoid, many-flowered; bracts sometimes 1 in. long, more often less than 1/8 in.; glumes ovate, obtuse, pale, more or less brown-purple marked; hypogynous bristles 0; style shorter than the nut, linear, branches 2 long-linear; nut minute, less than 1/2 the length of the glume, obovoid, flattened, irregularly trabeculate by reason of the large outer cells being transversely oblong but not arranged in regular vertical rows. null
Distribution
COAST REGION Riversdale Div.; Zoetemelks River, Burchell, 6707!
Notes
This species is (as many other small Cape Isolepis) generally like S. setaceus, Linn., and S. cernuus, Vahl. The nut is much contracted at the base, where it is surrounded by a wide circular yellow disc with which it falls.

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