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Hemarthria uncinata R.Br. var. uncinata Family Poaceae
Common name: Mat Grass

Hemarthria uncinata var. uncinata R.Br. APNI*

Description: Creeping perennial, sometimes forming mats to 1 m high in damp areas.

Leaves with sheath mostly glabrous; ligule a ciliate rim; blade to 5 mm wide. Leaf sheaths closely encircling the stem; pedicellate spikelets usually 5–7 mm long. Leaf sheaths closely encircling the stem; pedicellate spikelets usually 5–7 mm long.

Raceme 6–14 cm long, often slightly curved, axillary racemes may form at lower nodes, spikelets falling with rachis internodes. Sessile spikelets 6–10 mm long. Lower glume tapering into a very variable point, acute, acuminate or hooked, faintly 5–7-nerved; upper ± fused to rachis. Lower lemma 2-nerved, sterile, without a palea; upper nerveless, with a small nerveless palea. Pedicellate spikelets 5–10 mm long, often slightly longer and more acuminate than the sessile spikelets. Lower glume similar to that of the sessile spikelet with a straight or hooked apex; upper asymmetric, narrowly winged.


Flower
Photo J. R. Hosking

Herbarium
Sheet

Herbarium
Sheet

Flowering: summer.

Distribution and occurrence: Grows in swamps or damp places.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, SWP
Other Australian states: Qld Vic. Tas. W.A. S.A.
AVH map***

Text by S. W. L. Jacobs & C. A. Wall
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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