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Taiwan Gramineae | Family List | Poaceae | Poa

Poa takasagomontana Ohwi, Repert. Sped. Nov. Regni Veg. 36: 41. 1934; Hsu in Taiwania 16: 244. 1971; Hsu, Taiwan Grass. 339. pl. 65. 1975; Hsu in Li, H. L., T. S. Liu, T. C. Huang, T. Koyama and C. E. DeVol, eds. Fl. Taiwan 5: 450. 1978.


Poa takasagomontana

Credit: CC Hsu, 1975 Taiwan Grasses

plant duration: perennials

culms :habit: ascending

culms :height (cm): 45-48 cm

culms :diameter (mm): 2 mm

leaf-blades shape: linear

leaf-blades :length (cm): 12-13 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): 1-2 mm

inflorescence:shape or type: open panicle

inflorescence :length (cm): 10-14 cm

spikelets:number of florets: 1-2

spikelets:shape: lanceolate

spikelets :length (mm): 4-5 mm

spikelets :width (mm): 2 mm

pedicel vestiture: hispid

lower glume shape: lanceolate

lower glume :length (mm): 2-3 mm

lower glume :number of nerves: 1

upper glume shape: lanceolate/, narrowly ovate

upper glume apex: sharp

upper glume :length (mm): 3-4

upper glume :number of nerves: 3

florets :length (mm): 4 mm

lemma:texture: chartaceous

lemma:shape: ovate-lanceolate

lemma:length (mm): 4 mm

lemma :number of nerves: 5

lemma :vestiture on nerves: nerves glabrous

palea :shape: narrowly lanceolate

palea :apex: blunt

palea :length (mm): 3 mm

palea :number of nerves: 2

palea :vestiture on nerves: minutely ciliate

callus: cobwebby

anthers:length (mm): 1 mm

caryopsis:shape: ellipsoid

caryopsis :length (mm): 2 mm

caryopsis :apex: glabrous

google images search: Link

midrib 中肋: (la)large:several vascular bundles

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

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

buliform cells not well developed 泡狀細胞不發達: (irreg)epidermal cells irregular in size

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: 125 micrometer

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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