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Oplismenus undulatifolius (Ard.) Roem. & Schult.
Family Poaceae
Oplismenus undulatifolius (Ard.) Roem. & Schult. APNI*

Description: Weak trailing perennial to c. 0.3 m high.

Leaves with ligule c. 3 mm long, membranous at the base, dividing into cilia; blade 4–18 mm wide, densely pubescent, midrib narrow, whitish on the lower surface, 10–15 fine nerves either side of it.

Panicle with racemes 1–1.5 cm long, reduced to small clusters of spikelets, spikelets and their awns divergently spreading. Spikelets 3–4 mm long, lanceolate, scarcely compressed. Lower glume shorter than the spikelet, 5–7-nerved, midnerve continues as a stiff, smooth awn to 4 times as long as the spikelet; upper broader and shorter, terminating in a short awn as long as the glume. Lower lemma the length of the spikelet, embracing the fertile floret, 9-nerved, awn short, 1 mm long; palea shorter than the lemma. Upper lemma c. 3 mm long.


Herbarium
Sheet

Herbarium
Sheet

Flowering: most of the year.

Distribution and occurrence: Grows in shady coastal forest; north from Coffs Harbour.
NSW subdivisions: NC
Other Australian states: Qld
AVH map***

Text by S. W. L. Jacobs & S. M. Hastings
Taxon concept:

N.S.W. occurrences are: var. mollis

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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