Citation: Endl., Prod. Fl. Norfolk. 20 (1833).

Derivation: Greek dichelos, cloven-footed; achne, glume; lemma 2-lobed.

Synonymy: Not Applicable

Common name: Plume-grasses.

Description:
Tufted annuals; leaf blade flat or setaceous-convolute; ligule white, membranous, 1-2 mm long.

Inflorescence a dense spike-like panicle or loose and almost secund; spikelets 1-flowered; the rhachilla not continued in a bristle; glumes 2, persistent, hyaline, narrow, keeled by the single nerve, the second glume rather longer than the first; lemma on a short blunt hairy callus, with a slender awn affixed on the back of the lemma a little below the hyaline 2-lobed summit; tip of the lemma delicate, often splitting to the base of the awn so that the awn appears to rise between 2 conspicuous erect lanceolate lobes; anthers glabrous; lodicules 2.

Distribution:  4 species mainly from Australia and New Zealand. (Veldkamp (1974) Blumea 22:5-12; Edgar & Connor (1982) New Zealand J. Bot. 20:303-309).

Biology: No text

Key to Species:

1. Panicle very dense and contracted at anthesis, sometimes lobed at the base, axis and branches obscured by the spikelets and awns; awn more than 3.5 times as long as the lemma; anthers 1-3
2. Glumes long-acuminate, 4.75-11.5 mm long; awn 2-4 cm, inserted 1-3 mm below the apex of the 3.75-8 mm long lemma	D. longiseta 2.
2. Glumes acuminate, 3.25-5 mm long; awn 0.8-1.75 cm, inserted 0.5-1 mm below the apex of the .2.75-4 mm long lemma	D. micrantha 3.
1. Panicle rather loose, only slightly contracted at anthesis, axis and branches distinctly visible; awns to 4 times as long as the lemma; anthers 3	D. inaequiglumis 1.

Author: Not yet available