Electronic Flora of South Australia
Electronic Flora of South Australia
Census of SA Plants, Algae & Fungi
Identification tools

Electronic Flora of South Australia species Fact Sheet

Family: Cyperaceae
Cyperus lucidus

Citation: R. Br., Prod. Fl. Nov. Holl. 218 (1810).

Synonymy: Not Applicable

Common name: Leafyflat-sedge, common leaf-rush.

Tufted perennial to 1 m or more high; stems fairly robust, trigonous, smooth; leaves often longer than the stems, flat or channelled, with numerous short transverse septa showing as shallow ridges on the surface (septate-nodulose), to c. 13 mm broad, scabrid on the margins; bracts 3-6, like the leaves, the lower longer than the inflorescence.

Umbel compound; rays rigid, up to 12, to 20 cm long; spikelets rather numerous in dense globose or cylindrical spikes to 5 cm long, rich-brown, linear or somewhat lanceolate, 5-10-flowered, flatfish, acute, 5-12 mm long, less than 1 mm broad; rhachilla winged; glumes not closely arranged, tightly appressed or the tips spreading, acute in profile, with the keel nearly straight or slightly curved inwards distally, with 2 or 3 veins on each side, c. 4 mm long; stamens 3; style 3-branched; nut oblong, acute to acuminate, rather long-cuneate to a narrow base, c. 2 x 0.7 mm, bluntly trigonous, slightly or not curved, sides rather flat, chocolate-brown, rather dull, covered with a thin faint reticulate-papillose layer, base with a whitish ring, tip a blackish point, about two-thirds as long as the glume.

Distribution:  S.Aust.: SE.   Qld; N.S.W.; Vic.; Tas.

Conservation status: native

Flowering time: Oct. — Feb.

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

Disclaimer Copyright Disclaimer Copyright Email Contact:
State Herbarium of South Australia
Government of South Australia Government of South Australia Government of South Australia Department for Environment and Water