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Taiwan Gramineae | Family List | Poaceae | Cymbopogon

Cymbopogon tortilis (Presl) A. Camus in Rev. Bot. Appl. Agr. Geylon. 5: 206. 1925. Ohwi, l. c. 11: 169. 1942;Keng, l. c. 835. f. 783. 1959; Hsu in Taiwania 16: 311. 1971, Taiwan Grass. 661. pl. 266. 1975; Hatusima, l. c. 707. 1971.

扭鞘香茅

Cymbopogon tortilis var. tortilis.
leaf cs section

Credit: cs kuoh

Anthistiria tortilis Presl, ReL Haenk l: 347. 1830.
Cymbopogon hamatulus (Nees) A. Camus in Rev. Bot. Appl. 1: 284. 1921; Honda in Bot. Mag. Tokyo 40: 107. 1926, Monogr. 339. 1930.

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

leaf surface 表面: (fla)flat surface

sclerenchyma 厚壁組織: (trstr)strand trichome-like

chlorenchyma 葉綠組織: (radia)cells radiate and lesser than
bundle sheath cell in width

bundle sheath 維管束鞘: (sk)single bundle sheath with
conspicuous chloroplast

buliform cells well developed 泡狀細胞發達: mainly appear in adaxial side

with small vein under buliform cells泡狀細胞下有小脈: (bcarc)bulliform cell with colorless cells
form an arc-shape

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
outer bundle sheath

distance between two adjancent vein 脈間距: 64 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 2

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


KEY TO THE VARITIES

1 Lower spikelets 3.5-5 mm long; false panicle large,compound   var. tortilis.
+ Lower spikelets 5-6 mm long; false panicle loosely ,spreading   var. goeringii

Lower Taxa


 

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