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Taiwan Gramineae | Family List | Poaceae | Festuca

Festuca takasagoensis Ohwi, Acta Phytotax. Geobot. 2: 163. 1936. Hsu, Fl. Taiwan 5: 443. 1978.


Festuca takasagoensis
leaf cs section

Credit: cs kuoh

Culm up to 70 cm tall, 1-2 mm in diameter. Blade up to 20 cm long, 4 mm wide, acuminae at both end; ligule chartaceous, truncate, 2 mm long. Panicle loose, up to 20 cm long. Spikelest 2-3-flowered, 7 mm long; pedicel unequal; glumes chartaceous; the lower deltoid-lanceolate, 1-nerved, 1.5 mm long; the upper lanceolate, weakly 3-nerved, 2.5 mm long, acuminate; lemma 6.5 mm long,lanceolate, chartaceous, 5-nerved, acute, with a slender awn slightly longer than the lemma; palea chartaceous, linear-lanceolate, chartaceous, 2-keeled, 6 mm long; anther 1-1.2 mm long.

ILAN: Ssuyenyako, Ohwi 2735. HSINCHU: Tapachienshan, Hsu 12188; Itsoshan, Sasaki s.n. July 18, 1932. NANTOU: Tsuefeng, Hsu & Kuoh 11135; At 91K, Provinial road no. 18, Kuoh s. n. Aug. 20, 2000. CHIAYI: Mt. Morrison, Suzuki 13057.

Endemic to Taiwan

midrib 中肋: (sm)small:with one vascular bundle

leaf surface 表面: (dee)upper surface with deep 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: (inrad)somewhat radiate and equal or
slightly large
than bundle sheath cell in width

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: (fanfu)bulliform set fan shaped,
cells similar in size

chlorenchyma cell number between two adjacent veins: 5

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: 210 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 11

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


Related Objects Image Gallery 
  • leaf cs section (cs kuoh)
  • Image/JPEG
  • Image/GIF (CC Hsu, 1975 Taiwan Grasses)
  • Image/GIF

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