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Baumea planifolia (Benth.) K.L.Wilson
Family Cyperaceae
Baumea planifolia (Benth.) K.L.Wilson APNI*

Description: Perennial with long rhizome.

Culms rigid, oval to nearly flat, nodeless or rarely 1-noded, striate, glabrous, scabrous to smooth, 15–65(-120) cm high, 1.2–4.0 mm diam.

Leaves basal; blade flat or narrow-rhomboid in cross section, strongly scabrous, broader and shorter than culms, to 6.5 mm wide; sheath pale brown, dull. Inflorescence ovate to oblong in outline, erect, 4–10(-14) cm long, 1–3.5 cm diam.; lowest involucral bract much shorter than inflorescence. Spikelets numerous, 1-flowered, 3.5–4.5 mm long. Glumes 3 or 4, long-acute with apex often excurved, unevenly coloured pale to mid red-brown (rarely darker), with margins glabrous or sparsely ciliate; fertile glumes 3.0–3.8 mm long. Anthers 1.2–1.6 mm long, excluding appendage 0.3–0.7 mm long.

Nut ovoid to ellipsoid, 1.7–2.0 mm long, 0.8–1.1 mm diam., with irregular coarse reticulations or ridges, ± minutely white-papillose between ridges, minutely hispid or papillose at apex, pale to dark brown.

Flowering: spring–summer.

Distribution and occurrence: Grows in swamps and near mountain streams, on sandy soils; on the eastern margin of tablelands, and coastal ranges.
NSW subdivisions: CC, SC, NT, CT, ST
Other Australian states: Qld Vic.
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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