Annuals; culms branched, glabrous, 30-100 cm high. Blade 15-40 cm long, 7-20 mm wide; midrib
stout, greenish white; ligule short, upper margin a ring of hairs; sheath cylindrical, glabrous and shining.
Panical ca. 30 cm lkong, branches scabrous, 1-5 per node, arranged at 45o angle to central axis. Spikelets
sparingly arranged, ovate-oblong to lanceolate-elliptic, acute, ca. 2.3 mm long, glabrous; lower
glume broadly deltoid, obtuse or roumded, clasping vase of spikelet, 1/4-1/5 as long as spikelet; upper
glume subequal to spikelet, 5-7-veined; lower lemma and upper lemma subequal, flat; upper lemma
oblong, glabrous and shining, 5-veined, prominrnt when mature, tightly enclosing upper palea and caryopsis.
TAICHUNG: Kuanshan, Hsu & Kuoh 80129.
Originally from America, naturalized in temperate countries. Taiwan, in villages at mid-elevation in
the central part of the island.
leaf surface 表面: (nod)nodules on both surfaces
sclerenchyma 厚壁組織: (boscl)(bostr)on both sides of veins as strand or girder
mestome sheath 內束鞘細胞: (Xyms+)metaxylem pole adjacent with mestome sheath
distance between two adjancent vein 脈間距: 164 micrometer
length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 2