Digitaria Haller f.

Glumes 2 with 1 sterile lemma (Fig. 50 a) Digitaria

Rhachis with spikelets to the base or devoid of spikelets up to 1 cm from the base

Plants tufted. Culms sometimes bent near the base and rooting at the nodes but never with prostrate stolons

Hairs on the spikelets not crinkled

Mature florets with a green, deep purple ,deep brown or black fertile lemma. Spikelets loosely and irregularly arranged, 1.5–2 mm long

Mature florets with a pallid, pale grey or pale purple fertile lemma. Spikelets densely arranged, c. 3 mm long