Tribe VI.
Avenæ.
Spikelets 2 or several-flowered, usually panicled. Flowering glumes generally shorter than the outer glumes, usually awned; awn geniculate and often twisted, rarely straight.
* Awn of the flowering glumes dorsal, rising from below the terminal teeth of the glume, not from between them.
Spikelets 2-flowered. Flowering glumes erose or 2-toothed at the tip, shortly awned |
20.
Deschampsia. |
Spikelets 2–6-flowered. Flowering glumes sharply 2-toothed at the tip; teeth sometimes almost awned; awn from the back just below the teeth |
21.
Trisetum. |
Spikelets 5–10-flowered. Flowering glumes rounded at the back; awn dorsal, straight or bent |
22.
Amphibromus. |
** Awn of the flowering glumes rising from between the terminal lobes or teeth of the glume.
Spikelets several-flowered. Flowering glumes rounded at the back, often ciliate or hairy; awn rigid, often twisted or flattened at the base |
23.
Danthonia. |