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Electronic Flora of South Australia species Fact Sheet

Family: Cyperaceae
Fimbristylis dichotoma

Citation: Vahl, Enum. PI. 2:287 (1805/ 5).

Synonymy: Scirpus dichotomus L., Sp. Pl. 50 (1753); S. diphylla Retz., Obs. Bot. 5:15 (1789); F. diphylla (Retz.) Vahl, Enum. Pl. 2:289 (1805/6). , Fimbristylis communis

Common name: Common fringe-rush, eight-day grass.

Description:
Tufted slender perennial with narrow leaves and bracts; leaves usually shorter than he stems, ligulate.

Umbel loose, simple or compound, to 20 cm long; involucral bracts 2-5; spikelets solitary or aggregated, ovoid or oblong-ovoid, acute, usually 5-10 mm long and 2.5-3 mm broad; glumes with a poorly developed 3-nerved green keel, usually 2-3 mm long, appressed, concave; stamens 1-3; style flat, ciliate at least in the upper half, usually 2-2.5 mm long.

Nut obovate, obtuse, cuneate to a narrow base, c. 1.5 x 0.8 mm, plano-convex, transparent-cellular-white, with 5-9 prominent longitudinal ribs on each side and numerous transverse bars.

Published illustration: Cunlingham et al. (1982) Plants of western New South Wales, p. 167.

Distribution:  Grows in, but not restricted to, damp places. A variable species.

S.Aust.: NW, LE, GT, FR, EA, MU.   All mainland States.   Warm parts of the world.

Conservation status: native

Flowering time: Jan. — July.


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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