Annuals; culms tufted, geniculate, 4-5-noded; 20-60 cm tall, 1 mm in diameter. Blades linear,5-15 cm long, 3-7 mm wide; ligule 3-6 mm long, apex fringed. Panicle oblong. Spikelets 1-flowered, oblong-elliptical, 2-2.5 mm long; glumes subequal, lance-oblong, membranous, scabrous, rounded on back, apex sinus; awn arising between the lobes, 1.5-2 mm long, slender, straight. Lemma 0.8-1 mm long, elliptic, apex subobtuse, toothed, the midnerve projecting beyond the lemma in a short awn. Palea slight ly shorter than the lemma, apex toothed. Anthers 0.5 mm long. Caryopsis eliptic, 1 mm long.
TAIPEI: N.T. U. campus, Hsu & Kao 156; Keelung, Hsu 589. TAICHUNG: Pahsienshan, Hsu 430. CHANGHUA: Lukang, Kuoh 1628. HUALIEN: Luangshan, Hsu s. n. Aug. 17, 1967.
Distributed in Japan, Korea, China, India and Africa.
This is a very common grass growing on the plain and lowland regions in Taiwan.
leaf surface 表面: (mid)upper surface with middle notch between the veins
sclerenchyma 厚壁組織: (boscl)(bostr)on both sides of veins as strand or girder
chlorenchyma 葉綠組織: (homog)homogenous sponge tissue
bundle sheath 維管束鞘: (nks)bundle sheaths with small amount of chloroplast
buliform cells well developed 泡狀細胞發達: mainly appear in adaxial side
no small vein under buliform cells泡狀細胞下無小脈: (fanfu)bulliform set fan shaped, cells similar in size
chlorenchyma cell number between two adjacent veins: 13
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: 234 micrometer
length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 6
chlorenchyma cell shape in LS 葉綠細胞縱面形狀: non -lobed