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Bulbostylis barbata (Rottb.) C.B.Clarke
Family Cyperaceae
Bulbostylis barbata (Rottb.) C.B.Clarke APNI*

Description: Slender tufted annual.

Culms terete, glabrous, 5–30 cm high, 0.25–0.3 mm diam.

Leaves much shorter than culms, glabrous (except for long white hairs at mouth of sheaths), 0.2–0.3 mm wide. Inflorescence head-like, hemispherical, with 3–20 spikelets, 5–15 mm diam., or rarely a solitary spikelet; involucral bracts 1–3, somewhat shorter than inflorescence, 5–20 mm long. Spikelets ovoid to oblong, acute, 3–8 mm long, 1–1.5 mm diam. Glumes mucronulate (mucro finally excurved), strongly keeled, 1.5–2.3 mm long, glabrous or only minutely pubescent or ciliate on margins, pale to red-brown with green midrib. Stamen 1; anther 0.5–0.7 mm long. Style 3-fid.

Nut triquetrous, broad-ovoid, 0.5–0.8 mm long, 0.4–0.6 mm diam., smooth, finely reticulate by the minute isodiametric epidermal cells, whitish to straw-coloured.


Flowering: spring–summer.

Distribution and occurrence: Widespread, usually on sandy soil; in coastal areas north from Sydney, inland north chiefly from Dubbo.
NSW subdivisions: NC, CC, NT, NWS, CWS, NWP, SWP, NFWP
Other Australian states: Qld W.A. S.A. N.T.
AVH map***

Text by K. L. Wilson
Taxon concept: Flora of NSW 4 (1993)


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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