Fund. Agrost. : 128 (1820) ; Gen. Gram. 134 (1986).- Type species: Lachnagrostis filiformis (Forst. F.) Trin.
Description:
* Tufted perennials or annuals. Culms fragile at maturity; nodes glabrous. Leaves flat or folded with inrolled margins; ligule membranous.
* Inflorescence an open, much branched panicle, often completely detaching at maturity. * Spikelets small, mostly 1-flowered, with the rachilla extending beyond the floret and minute to nearly as long as the spikelet; rachilla extension glabrous to long-hairy. Glumes more or less equal, as long as the spikelet, acute, firmer than the lemma, 1(-3)-nerved, keel scabrid. Lemma shorter and thinner than the glumes, usually hairy though sometimes glabrous, (3-)5- nerved, dorsally awned, rarely sub-apical or even more rarely absent; awn scabrid, geniculate or straight.
A genus of c. 30 species.