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Taiwan Gramineae | Family List | Poaceae | Sporobolus

Sporobolus indicus var. major (Buse) Baaijens, Blumea. 35:437. 1991.

鼠尾粟

Sporobolus indicus var. major

Credit: CC Hsu, 1975 Taiwan Grasses

Agrostis fertilis Steud., Syn. Pl. Glum. 1: 170. 1854.
Sporobolus fertilis (Steud.) W. D. Clayton, Kew Bull. 1965: 291 . 1965; Hsu, Fl. Taiwan 5: 501. 1978.
Sporobolus indicus subsp. purpureo-suffusus (Ohwi) T. Koyama, Grass. Jap. Neighb. Reg. 275. 1987.

Perennial; culms tufted, erect; ligule a ring of short hairs, about 0.2 mm long. Inflorescence a contracted panicle. Spikelets 1-flowered, lanceolate, about 1.8 mm long grayish-green or purplish; glumes thin, unequal; lower glume ovate, truncate, nerveless, about 1/3 as long as the spikelet; upper glume ovate, pointed, about 2/3 as long as the spikelet, 1-nerved; lemma papery, ovate-lanceolate, 3-nerved, but lateral ones obscure, as long as the spikelet; palea boat-shaped in side view; anthers 3, minute, about 0.2 mm long. Fruit an utricle, brownish, elliptical-obovate, 1 mm long, with net-like markings, hilum punctiform, embryo 1/2 the length of the grain.

TAIPEI: Yangmingshan, Hsu s. n. May 29, 1959; Fulung, Hsu 896. ILAN: Chiaochi Hsu 822. HSINCHU: Hsinchu, Hsu 1305. MIAOLI: Tahu, Chen 38. TAICHUNG: Houli, Suzuki 6267. CHANGHUA: Chichow, Suzuki & Kamikoti 4570. NANTOU: Sun Moon Lake, Hsu 1341; Puli, Hsu 1390. CHIAYI: Mt. Alishan, Sasaki s. n. Jan. 25, 1936. YUNLIN: Huwei, Chu 283. * TAINAN: Hsinying, Yamarnoto 1261. KAOHSIUNG: Nantzu, Wang 20093 PINGTUNG: Fengshan, Suzuki 4288. TAITUNG: Suoan, Hsu 1043; Botel Tobago, Hsu 4924. HUALIEN: Hsinchen, Suzuki & Ko 4927.

Distributed in E. Himalaya, India, Ceylon, Burma, Thaland, Malaysia, China and Japan.

This grass is very common and readily eaten by cattle and sheep.

midrib 中肋: (la)large:several vascular bundles

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: (radia)cells radiate and lesser than
bundle sheath cell in width

bundle sheath 維管束鞘: (dko)two bundle sheaths the outer one
with conspicuous 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: (bcfan)bulliform cell with colorless cells
extend beneath it

chlorenchyma cell number between two adjacent veins: 2

chloroplast form in bundle sheath 束鞘細胞內之葉綠體型式: (out)large amount and in centrifugal site

mestome sheath 內束鞘細胞: (Xyms+)metaxylem pole adjacent with
mestome sheath

distance between two adjancent vein 脈間距: 115 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 1

chlorenchyma cell shape in LS 葉綠細胞縱面形狀: lobed


 

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  • Image/JPEG (CC Hsu, 1975 Taiwan Grasses)
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