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Taiwan Gramineae | Family List | Poaceae | Poa

Poa sphondylodes var. kelungensis (Ohwi) Ohwi, Acta Phytotax. Geobot. 10: 126. 1941; Keng, F. Ill. Pl. Prim. Sinicarum, Gram. 194. f. 146. 1959; Hsu in Taiwania 16: 244. 1971; Hsu, Taiwan Grass. 335. pl. 63. 1975; Hsu in Li, H. L., T. S. Liu, T. C. Huang, T. Koyama and C. E. DeVol, eds. Fl. Taiwan Fl. Taiwan 5: 449. 1978.

基隆早熟禾

Poa sphondylodes var. kelungensis

Credit: CC Hsu, 1975 Taiwan Grasses

  • Poa kelungensis Ohwi
  • Poa kelungensis subsp. kelungensis (Ohwi) T. Koyama

    Perennials. Culms ascending, 23-45 cm tall, 1.5 mm wide. Leaf-blades linear, 7-13 cm long, 2-3 mm wide, apex acuminate. Sheath not compressed. Ligule membranaceous, tongue-shaped, 2-2.5 mm long. Inflorescence a narrowly contracted panicle, 3-7 cm long. Spikelets with 2-4 florets, ellipsoid or lanceolate or ovoid, 3-4 mm long, 1.5-2.5 mm wide. Pedicel hispid to minutely hispid. Lower glume chartaceous, lanceolate to linear-lanceolate, 2-3.5 mm long, 3-nerved. Upper glume chartaceous, lanceolate to ovate, apex sharp or acute-obtuse, 2-3 mm long, 3 -nerved. Florets 2-3 mm long. Lemma chartaceous, ovate-lanceolate to ovate, 2-3 mm long, 5-nerved, nerves villous. Palea linear-lanceolate to narrowly lanceolate, apex blunt, 2-3 mm long, 2-nerved, nerves minutely hispid or nerves ciliate. Callus cobwebby. Anthers 1-2 mm long. Caryopsis ellipsoid, 1 mm long, apex villous.

    Endemic to the littoral region of northern and northeastern Taiwan.

    plant duration: perennials

    culms :habit: ascending

    culms :height (cm): 23-45 cm

    culms :diameter (mm): 2 mm

    leaf-blades shape: linear

    leaf-blades :length (cm): 7-13 cm

    leaf-blades :width (mm): 2-3 mm

    leaf-blades :apex: acuminate

    sheath: not compressed

    ligule:texture: membranaceous

    ligule :shape: tongue-shaped

    ligule :length (mm): 2-2.5 mm

    inflorescence:shape or type: narrowly contracted panicle

    inflorescence :length (cm): 3-7 cm

    spikelets:number of florets: 2-4

    spikelets:shape: ellipsoid, lanceolate, ovoid

    spikelets :length (mm): 3-4 mm

    spikelets :width (mm): 1.5-2.5 mm

    pedicel vestiture: hispid, minutely hispid

    lower glume shape: lanceolate, linear-lanceolate

    lower glume :length (mm): 2-3.5 mm

    lower glume :number of nerves: 3

    upper glume shape: lanceolate/, ovate

    upper glume apex: sharp, acute-obtuse

    upper glume :length (mm): 2-3

    upper glume :number of nerves: 3

    florets :length (mm): 2-3 mm

    lemma:texture: chartaceous

    lemma:shape: ovate-lanceolate, ovate

    lemma:length (mm): 2-3 mm

    lemma :number of nerves: 5

    lemma :vestiture on nerves: nerves villous

    palea :shape: linear-lanceolate, narrowly lanceolate

    palea :apex: blunt

    palea :length (mm): 2-3 mm

    palea :number of nerves: 2

    palea :vestiture on nerves: minutely hispid, ciliate

    callus: cobwebby

    anthers:length (mm): 1-2 mm

    caryopsis:shape: ellipsoid

    caryopsis :length (mm): 1 mm

    caryopsis :apex: villous

    google images search: Link

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

    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

    length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 5

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


     

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