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Electronic Flora of South Australia species Fact Sheet

Agrostis avenacea

Citation: J. Gmelin, Syst. Nat. 1:171 (1791).

Synonymy: Avena filiformis Forster f., Fl. Insul. Aust. Prod. 9(1786); Agrostis filiformis (Forster f.) Sprengel, Fl. Hal. Mant. 32 (1807), non Viii. (1787); Calamagrostis filiformis (Forster f.) Cockayne, Rep. Bot. Surv. Tongariro Nat. Park 35 (1908); Agrostis forsteri Rich. ex Roemer & Schultes, S_vst. Veg. 2:359 (1817); Deyeuxia forsteri (Rich. ex Roemer & Schultes) Kunth, Rev. Gram. 1:77 (1829); Agrostis solandri F. Muell., Veg. Chath. Is. 60 (1864), partly.

Common name: Blown grass, fairy grass.

Description:
Annual 15-70 cm high; anthers 0.2-0.4 mm long.

Panicle often drooping when young, finally exserted from the uppermost sheath and very loose, 10-30 cm long, with long whorled branches; rhachis and branches of the panicle more or less scabrous; spikelets 2.5-3.5 mm long; glumes narrow, scabrous on the keel, light-green or straw-coloured; lemmas nearly 2 mm long, truncate, villous on the back, 4-nerved, with 4 short equal teeth at the summit and a geniculate exserted awn 5-7 mm long rising from about the middle of the back; palea rather shorter; callus shortly bearded; bristle hairy.

Published illustration: Burbidge (1968) Australian grasses 2:pl. 17.

Distribution:    All States.   New Zealand.

Conservation status: native

Flowering time: usually Sept. — Jan.


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

Biology: Grazed when young.

Author: Not yet available


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