Setaria reverchonii firmula

Description

HABIT Perennial caespitose. Butt sheaths pilose, or villous. Culms 35�70 cm long. Ligule a fringe of hairs; 1�2 mm long. Leaf-blades flat, or involute; 6�20 cm long; 1.5�3 mm wide. Racemes 6�20; borne along a central axis; paucilateral; 0.5�1.5 cm long; bearing few fertile spikelets; bearing 1�10 fertile spikelets on each. Central inflorescence axis 6�20 cm long; tip with blunt extension. Rhachis subterete; scabrous on surface; terminating in a barren extension; extension bristle-like; extension 2�6 mm long. Spikelet packing abaxial; lax; irregular.