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Taiwan Gramineae | Family List | Poaceae | Miscanthus

Miscanthus floridulus (Labill) Warb. ex Schum: & Laut., F1. Deutsch. Schutzgeb. Sudesee. 166. 1901. Hsu, Fl. Taiwan 5: 678. 1978; Koyama, Grass. Jap. Neighb. Reg. 397. 1987.

五節芒

Miscanthus floridulus
leaf cs section

Credit: cs kuoh

Saccharum floridulum Labill, Sert. Austro-Caled, 13. pl. 18. 1824.
Miscanthus japonicus Anderss. in Oefv. Sv. Vet. Akad. Forth. Stockh. 12: 166. 1855; Honda, Monogr. 148. 1930.
Miscanthus formosanus A. Camus, Bull. Mus. Hist. Nat. Paris 30: 514. 1924.

Perennials; rhizomes well developed, bamboo-like; nodes~ usually farinose. Ligules about 2 mm long, rounded, ciliate. Inflorescence a large panicle, 30-50 cm long, the main axis at least 2/3 as long as the panicle, the branches 10-20 cm long. Spikelets in pairs, all alike, unequally pedicelled along a slender continuous rachis; spikelets about 3 mm long; lower glume as long as the spikelet, minutelv 2-toothed, 3-nerved; upper glume slightly smaller than the lower, margins ciliate, hyaline; lower lemma a little shorter than the glumes, hyaline; upper lemma smaller than the sterile lemma, 1-nerved, extending into a delicate bent, flexuous awn; palea minute, hyaline; anther 3, 1-1.3 mm long.

TAIPEI: Yentungshu, Hsu 9164. HSINCHU: Sasaki s. n. Jan. 2, l929*.

Distributed in the Far East to Polynesia.

This is a very common tall reed familiar to the local peoples for its beautiful inflorescence in the autumn and economic importance; it grows abundantly on the plains and is cultivated as a windbeak between the fields, used as hedges, and for ornamental purposes. Cattle feed on this grass in time of need, and it is a good fodder grass.

midrib 中肋: (la)large:several vascular bundles

leaf surface 表面: (fla)flat surface

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

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

bundle sheath 維管束鞘: (dko)two bundle sheaths the outer one
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: 2-3

chloroplast form in bundle sheath 束鞘細胞內之葉綠體型式: (per)large amount and in peripheral site

mestome sheath 內束鞘細胞: (Xyms -)metaxylem pole adjacent with
outer bundle sheath

distance between two adjancent vein 脈間距: 84-110 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 1.75-3.05

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


 

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