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:
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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.
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Conservation status:
native
Flowering time: Jan. — July.
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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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