Panicum sanguinalis L., Sp. Pl. 57. 1753.
Annuals; culms prostrate, basal nodes branching and rooting, to 3 mm in diam., to 100 cm high.
Blades linear-lanceolate, 4-15 cm long, 3-9 mm wide, margins thick; ligule membranaceous, obtuse, 1-
3 mm long; sheath usually shorter than internodes, more or less tubercle hairy. Racemes 5-15 cm long,
3-10, digitately arranged; rachis ca. 1 mm wide, margins winged, green and serrulate, midrib white and
ca. 1/3 as wide as rachis. Spikelets ca. 3 mm long, lanceolate, usually paired, one pedicellate and other
sessile or shortly pediceled; pedicel compressed and margins serrate; lower glume minute, triangular,
ca. 0.2 mm long, membranaceous; upper glume ca. 1/2-3/4 as long as spikelet, 3-veined, margins ciliated;
lower lemma and upper lemma similar, nearly as long as the spikelet, 5-7-veined, median 3 veins
far apart, glabrous, lateral one close and obscure, more or less ciliated along interveins and margins;
upper florate cartilaginous, nearly as long as spikelet.
TAIPEI: Chitsou, Hsu 90. TAICHUNG: Lishan, Kuoh 8089.
The temperate and warm regions of the world. Taiwan, naturalized around villages and in waste