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Taiwan Gramineae | Family List | Poaceae | Oryza

Oryza sativa L., Sp. Pl. 333. 1753; Honda, Monogr. Poac. Japon. 313. 1930; Hsu, Fl. Taiwan 5: 380. 1978; Koyama, Grass. Jap. Neighb. Reg. 21. 1987.

Oryza sativa

Credit: cs kuoh

  • Oryza formosana Masamune and Suzuki

    Tufted annual or short-lived perennial; ligules ovate to lanceolate, 10-20 mm long, margins decurrent to the sheath; leaf-blades cauline; linear, 25-80 cm long, 5-30 mm wide. Panicle open, loose, pendent when fruiting. Spikelets flattened, elliptic, 6-10 mm long; glumes minute, vestigial lemmas subulate, glabrous, 2-4 mm long; fertile lemma 5-nerved, hard, hispidulous, as long as spikelet; palea same texture and length as lemma, 3-nerved. Grain 5 mm long.

    TAIPEI: Taipei, Kao 2958. TAOYUAN: Taoyuan, Suzuki s.n. Oct. 14, 1923. MIAOLI: Chuan, Suzuki s. n. Oct. 22, 1934. KAOHSIUNG: Neimen, Suzuki s. n. Nov. 2, 1934.

    Cultivated all over the Island.

    midrib 中肋: (aq)aquatic:with air chamber,
    vascular bundles unequal

    leaf surface 表面: (mix)mixed type with variable surface nodules

    sclerenchyma 厚壁組織: (boscl)(bostr)on both sides of veins as
    strand or girder

    chlorenchyma 葉綠組織: (armed)compact armed cells

    bundle sheath 維管束鞘: (nke)bundle sheaths without 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: 8

    chloroplast form in bundle sheath 束鞘細胞內之葉綠體型式: (not)no chloroplast

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

    distance between two adjancent vein 脈間距: 200 micrometer

    length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 4


    Related Objects Image Gallery 
  • specimen (cs kuoh)
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  • Image/GIF (CC Hsu, 1975 Taiwan Grasses)
  • Image/GIF
  • Image/JPEG (CS Kuoh)
  • Image/JPEG

    Flora of China  
  • Illustration
  • Illustration

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