无芒稗 wu mang bai

Panicum crusgalli var. mite Pursh, Fl. Amer. Sept. 66. 1813 ["1814"]; Echinochloa crusgalli subsp. spiralis (Vasinger) Tzvelev; E. spiralis Vasinger.

Culms robust, erect, 50–120 cm tall. Leaf blades 20–30 × 0.6–1.2 cm. Inflorescence 10–20 cm; racemes ascending or spreading, stiff, usually branched. Spikelets ca. 3 mm, awnless or with an awn less than 5 mm.

Roadsides, streamsides. Throughout China [warm-temperate and subtropical regions of the world].