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Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Poaceae
Themeda avenacea

Citation: Maiden & Betche, Census N.S.W. Pl. 15 (1916).

Synonymy: Anthistiria avenacea F. Muell., Fragm. Phyt. Aust. 5:206 (1866).

Common name: Tall oat-grass.

Description:
Similar to T. triandra, but has a somewhat woolly or silky base; stems usually over 1 m high.

The racemes are often solitary on the filiform panicle-branches and do not spread in a fan-like shape; the involucral spikelets inserted at different levels as 2 alternate pairs separated by an internode of 0.5-0.8 mm, 19-28 mm long, 1 of each pair pedicellate; the fertile spikelets covered all over with brown hairs, 8-10 mm long; callus villous, 5-6 mm long; awn 7-10 cm long; column usually longer than the bristle.

Published illustration: Lazarides (1970) The grasses of Central Australia, pl. 69b.

Distribution:  S.Aust.: NW, LE.   All mainland States except Vic.

Conservation status: native

Flowering time: July (1 record).


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: Less palatable than T. triandra.

Author: Not yet available


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