Panicum villosum Lam., Tabl. Encycl. 1: 173. 1791.
Urochloa villosa (Lam.) T.-Q. Nguyen, Novosti Sist. Vyss. Rast. 13: 14. 1966; Veldkamp, Blumea 41: 431.
1996.
Annuals; culm slender, usually decumbent and and branching below, 10-35 cm tall, nodes more or
less pubescent. Blades ovate-lanceolate, subcordate, 3-5 cm long, 3-10 mm wide, densely pubescent on
both surfaces, one of margins undulate, other side pectinate-scabrous. Inflorescence of racemose
racemes, racemes 4-8, 4-6 cm long; rachis more or less villose, scabrous on ridges; pedicels pubescent
and bearing stiff hairs as much as 0.5 mm long. Spikelets tomentose, light green but turning light yellow
when mature, 2.2-2.5 mm long; lower glume 3-veined, ca. 1/2 as long as spikelet, triangular, acute to
obtuse; upper glume and lower lemma equal, acute, 5-7-veined; lower lemma 5-veined, mucronate,
enclosing a well developed palea; upper lemma pale, elliptic, mucronate, longitudinally striate and
minutely papillose-rugose; anther ca. 1.1 mm long.
ILAN: Nanshen, Kuoh s. n. TAIPEI: Shimen, Chuang 3389. HSINCHU: Shinchu, Utida , s. n. TAICHUNG:
Wushe, Sasaki 380233. PINGTUNG: Oluanpi, Yamamoto s. n. TAITUNG : Peinan, Sasaki s. n.; Lanyu Is.,
Kawakami et al. 2345.
4. CENCHRUS L.
The tropics of southeastern Asia and China. Taiwan, open waste places and on hill.
