Family: Cyperaceae
Cyperus lucidus
Citation:
R. Br., Prod. Fl. Nov. Holl. 218 (1810).
Synonymy: Not Applicable Common name: Leafyflat-sedge, common leaf-rush.
Description:
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:
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S.Aust.: SE. Qld; N.S.W.; Vic.; Tas.
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Conservation status:
native
Flowering time: Oct. — Feb.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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