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Ischaemum australe R.Br.
Family Poaceae
Ischaemum australe R.Br. APNI*

Description: Caespitose rhizomatous perennial to 1.2 m high.

Leaves with sheath ± glabrous; ligule c. 2 mm long, hairy; blade 3–5 mm wide, glabrous.

Racemes 2, 4–8 cm long; internodes and pedicels angular, hairy on the angles. Sessile spikelets 6–7 mm long. Lower glume 2-keeled with narrow wings on the keels, c. 7-nerved; upper keeled with a narrow wing on the keel, 7-nerved. Lower lemma a little shorter than the glumes, 3-nerved, male, the palea almost as long as the lemma; upper female or bisexual, deeply lobed, the awn c. 8–10 mm long. Pedicellate spikelet similar to the sessile or male only but the lower glume unequally winged and the awn of the upper lemma shorter.


Flower
Photo J. & P. Edwards

Herbarium
Sheet

Flowering: summer.

Distribution and occurrence: Grows in swamps or poor sandy soils near the coast.
NSW subdivisions: NC, CC
Other Australian states: Qld W.A. N.T.
AVH map***

Text by S. W. L. Jacobs & C. A. Wall
Taxon concept: Flora of NSW 4 (1993)

 Key to the varieties 
1Leaves, rachis internodes and pedicels glabrousvar. australe
Leaves, rachis internodes and pedicels hairyvar. villosum

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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