Cultivated annuals or biennials; culms tufted, 6-7-noded; ligule short, membranous. Spike up to 10 cm long, rachis 2-3 mm long. spikelets 2-6-flowered, 10-15 mm long, upper ones sterile; rachilla about 1 mm long; glumes coriaceous, slightly membranous near the margins, ovate, strongly keeled on the upper half, 7-9-nerved, usually with tessellate nerves on the upper part; palea 2-keeled, narrowly winged, as long as the lemma; anthers 1.8-2 mm long. Caryopsis 5 mm long, hairy at the apex, enclosed between the lemma and palea, hilum linear; embryo 1/4 as long as the grain.
TAIPEI: Taipei, Kao s.n. March 20, 1958. TAICHUNG: Salu, Kuoh 10034.
Widely cultivated all over the world.
midrib 中肋: (sm)small:with one vascular bundle
leaf surface 表面: (sha)upper surface with shallow 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: (palis)differentiate to palisade and 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: 7
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: 266 micrometer
length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 7
chlorenchyma cell shape in LS 葉綠細胞縱面形狀: lobed