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Cyperus trinervis

Family

Cyperaceae

Botanical Name

Cyperus trinervis R.Br.

Brown, R. (1810) Prodromus Florae Novae Hollandiae: 213. Type: (J.T.).

Stem

Tufted perennial with short rhizome. Culmns trigonous, 15-50 cm tall with fibrous remains of leaf sheaths.

Leaves

Leaves as long or shorter tan the culms, 2-3 mm wide, ligule well-developed.

Flowers

Inflorescence simple, with 3-8 branches that are up to 8 cm long; involucral bracts leaf-like with one or two longer than the inflorescence; spikelets flattened, 3-8 per cluster, 4-14 mm long, 10-40 -flowered; glume ca. 1.5 mm long, with green keel with a single nerve on either side of keel.

Fruit

Nut trigonous, ellipsoid, very finely papillate, 0.8-1 mm long, apiculate, dark brown, about ? length of glume.

Seedlings

Features not available.

Distribution and Ecology

Occurs in NT, NEQ and NSW. Altitudinal range from 60-380 m. Grows in rainforest, Eucalypt forest and moist places along drainage lines and creeks in various types of woodland.

NT

X

NEQ

X

Grass

X

RFK Code

4207