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Baumea acuta (Labill.) Palla
Family Cyperaceae
Baumea acuta (Labill.) Palla APNI*

Description: Slender, tufted perennial with long rhizome.

Culms rigid, flat to biconvex, nodeless, ± striate, glabrous, smooth, 15–35 cm high, 0.8–1.5 mm diam.

Leaves basal; blade flat to biconvex, shorter than to exceeding culms, 0.7–2.5 mm wide; sheath straw-coloured to pale red-brown, dull. Inflorescence oblong in outline, narrow, erect, 2–6(-14) cm long, c. 1 cm diam.; lowest involucral bract shorter than to exceeding inflorescence. Spikelets few, 1-flowered, 4.5–6 mm long. Glumes 3 or 4, acute, red-brown, with margins ciliate or glabrous; fertile glumes 4–5 mm long. Anthers 1.3–2.0 mm long, excluding appendage 0.2–0.5 mm long.

Nut obovoid to ellipsoid, 1.5–2.2 mm long, 1.0–1.3 mm diam., irregularly wrinkled to smooth or minutely reticulate or colliculate, minutely hispid at apex, ± shining, red-brown to black.


Flower
Photo D. Hardin

Flowering: spring–summer.

Distribution and occurrence: Grows in swamps and damp heath on open sandy soils; mainly coastal, extending to Carrai S.F. Grows on the ranges west of Kempsey and to the Budawang Ra.
NSW subdivisions: NC, CC, SC, ST
Other Australian states: Qld Vic. Tas. W.A. S.A.
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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