Annuals; culm weak, slender, 30-120 cm high, branching and prostrate. Blade 5-30 cm long, 4-10
mm wide, thin; sheath glabrous, margins ciliate; ligule truncate, membranaceous, ca. 0.5 mm long,
irregularly fringed with hairs. Panicle open, ovate or deltoid, 12-40 cm in length and width. Spikelets
acute, ca. 2 mm long, elliptic, faintly dark green, sometimes purplish; lower glume triangular, acuminate
or acute, 1/3 as long as spikelet; upper glume and lower lemma similar, acute, finely 5-veined, membranaceous,
elliptic, 15-18 mm long, obtuse, smooth, shiny, greyish brown when mature.
TAIPEI: Kuanyingshan, Hsu 588. MIAOLI: Senghsin, Hsu 1354. TAICHUNG: Taian, Hsu 545. NANTOU:
Puli, Hsu 1371.
India, Malesia, Australia, China and Japan. Taiwan, in lowland forest margin.
leaf surface 表面: (fla)flat surface
sclerenchyma 厚壁組織: (boscl)(bostr)on both sides of veins as strand or girder
chlorenchyma 葉綠組織: (isach)cells elongate and radiate upward like crab legs
bundle sheath 維管束鞘: (nks)bundle sheaths with small amount of chloroplast
buliform cells not well developed 泡狀細胞不發達: (smreg)epidermal cells gradually enlarge from vein to intervein
chlorenchyma cell number between two adjacent veins: 5
chloroplast form in bundle sheath 束鞘細胞內之葉綠體型式: (lit)with a little of chloroplast
mestome sheath 內束鞘細胞: (Xyms+)metaxylem pole adjacent with mestome sheath
distance between two adjancent vein 脈間距: 161 micrometer
length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 2
