Plants annual; loosely tufted, without innovations, without
glands. Culms 25-60 cm, erect, glabrous and shiny. Sheaths mostly
glabrous, apices hairy, hairs to 5 mm; ligules 0.2-0.4 mm, ciliate; blades 10-30
cm long, 2-5.5 mm wide, flat to involute, glabrous abaxially, scabridulous
adaxially. Panicles 10-45 cm long, 2.5-22 cm wide, ovate, open
to contracted; primary branches 4-17 cm, appressed or diverging
up to 50° from the
rachises, flexible, naked below; pulvini glabrous or hairy,
hairs to 5 mm; pedicels 2.5-17 mm, appressed or divergent. Spikelets 4-11
mm long, 1.3-2.5 mm wide, linear-lanceolate to ovate, stramineous,
grayish-green to purplish, with 4-16 florets; disarticulation tardy,
acropetal, caryopses falling before the glumes and lemmas, paleas persistent. Glumes lanceolate,
membranous to hyaline; lower glumes 1-2 mm; upper glumes 1.5-2.8
mm; lemmas 1.6-3 mm, lanceolate, membranous, apices acute; paleas 1.4-2.2
mm, hyaline, keels scabridulous, apices obtuse; anthers 3, 0.2-0.5
mm, purplish. Caryopses 0.7-1.3 mm, obovoid, not grooved, smooth,
light brown to whitish. 2n = 40.
Eragrostis tef is native to northern Africa. In Ethiopia, it
is used both as a grain and as fodder for cattle. It is also grown,
but not commonly, for these purposes in the Flora region and
is occasionally found as an escape from cultivation.