Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia genus Fact Sheet

Family: Poaceae

Citation: Clarion ex P. Beauv., Agrost. 43 ( 1812).

Derivation: After Nicolas Deyeux, 1753-1837, Professor at the School of Pharmacy and Faculty of Medicine, Parris.

Synonymy: Not Applicable

Common name: Bent-grasses.

Tufted perennials; leaf blade flat or folded; ligule membranous.

Inflorescence a dense panicle; spikelets 1-flowered, usually with the rhachilla prolonged into a short hairy or glabrous bristle; callus bearing a tuft of hair which surrounds, but is much shorter than, the lemma; glumes 2, 1-nerved and keeled, equal or nearly so, scabrous on the keel, longer than the lemma; lemma membranous, rather stiff and more or less toothed at the summit, 4- or 5-nerved (in the latter case including the nerve which descends from the base of the awn); awn fine, dorsal, bent and twisted in the lower part; palea nearly as long, 2-nerved.

Distribution:  About 200 species from temperate areas; 34 in Australia.

Biology: No text

Key to Species:
1. Awn attached near the middle of the lemma
2. Bristle present; spikelet c. 5 mm long
D. densa 1.
2. Bristle absent; spikelet c. 4 mm long
D. minor 2.
1. Awn almost basal
D. quadriseta 3.

Author: Not yet available

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