Enteropogon

Perennial, rarely annual, robust, usually 400 or more mm tall, rarely less, tufted. Leaf blade long-linear, folded; ligule a short fringed membrane. Inflorescence terminal, of long, slender, 1-sided, spike-like racemes, these usually solitary, sometimes 2-8 present and digitate; spikelets solitary, sessile to subsessile, appressed to rachis in 2 rows. Spikelet 3-5 mm long, dorsiventrally compressed, disarticulating above glumes and between florets; glumes unequal, hyaline, 1-nerved, lanceolate, acuminate to acute, terminating in a short awn-point; lower glume +/- half as long as upper. Florets 2-6; lower floret bisexual, upper floret sterile or reduced, remaining floret(s) male or sometimes bisexual; lemma firmer than glumes, membranous, lanceolate, rounded to flat on back, glabrous, 3-nerved, shortly 2-lobed, awned from between lobes; awn straight, glabrous; callus short, hairy; palea lanceolate, shortly 2-lobed, 2-keeled, concave between keels, minutely hairy on keels above. Lodicules 2. Stamens 3. Ovary oblong, glabrous; styles distinct, plumose above. Caryopsis ellipsoid. x= 10.