法氏狗尾草

Setaria faberii drawing Credit: CC Hsu

Annuals; clum tufted, 40-100 cm high, base branching. Blade 10-30 cm long, 8-20 mm wide, upper surface usually with long scattered hairs; sheath margins cilate; ligule a ring of hairs, ca. 1.5 mm long. Panicle contracted, cylindrical, 5-10 cm long, main axis ciliate, nodding when mature, with sterile bristle- like branches subtending spikelet. Spikelets ovate, obtuse, ca. 2.6 mm long; lower glume 8-20 mm long, 3-veined; upper glume 1/3-1/2 as long as spikelet, broadly ovate, 5-veined; lower lemma equaling spikelet, enclosing a lower palea of smaller size, 7-veined; upper lemma ovate, obtuse, densely and finely punctate, more or less shiny; anther ca. 0.8 mm long.

TAIPEI: Chihsingshan, Murakami 22. TAITUNG: Lanyu Is., Kawakami & Sasaki s. n.; Lutao Is., Kawakami & Kobayasi 750.

Vietnam, China and Japan. Taiwan, in open fields.