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Electronic Flora of South Australia species Fact Sheet

Family: Cyperaceae
Cyperus gilesii

Citation: Benth., Fl. Aust. 7:273 (1878).

Synonymy: Not Applicable

Common name: None

Description:
Slender annual, to 30 cm high; stems usually tufted, erect, slender, trigonous, smooth but prominently striate; leaves shorter than the stems, 1-4.5 mm wide, margins sparsely scabrous; bracts 2-4, leaf-like, the lower longer or much longer than the inflorescence.

Inflorescence a simple umbel or reduced to a head, the rays up to 5 in number, slender but rigid, to 6 cm long; spikelets approximate but not quite digitate, few to several on each ray, bright-brown, chestnut, or golden-brown, 15-30-flowered, lanceolate to linear, rather acute, very flat, c. 10-30 mm long, 2.5-4.5 mm wide; rhachilla wingless or nearly so; glumes rather dense but soon spreading and their margins inrolled, 4-5 mm long, prominently nerved with a finally recurved mucro to 1 mm long; style 3-branched.

Nut linear-oblong, acute, shortly cuneate to the wide base, 2-2.5 x 0.4 mm, trigonous, sides flat to slightly convex, distinctly covered with a faint white reticulate-papillose layer, about two-thirds as long as the glume.

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 160.

Distribution:  S.Aust.: NW, LE, GT, FR, EA.   N.T.; Qld; N.S.W.

Conservation status: native

Flowering time: Sept. — April.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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