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Taiwan Gramineae | Family List | Poaceae | Muhlenbergia

Muhlenbergia huegelii Trin. in Mem. Acad. Sci. Petersb. ser. 6, 6(2): 41, 293. 1841. Honda, Monogr. Poac. Jap. 215. 1930; Ohwi , Bot. Mag. Tokyo 55: 397. 1941; Osada, Illust. Grass. Jap. 507. 1993. .


Muhlenbergia huegelii

Credit: CC Hsu, 1975 Taiwan Grasses

Muhlenbergia longistolon Ohwi, Bull. Nat Sci Museum (Tokyo) 26:3. 1949; Hsu, Taiwnia 16: 264. 1971, Taiwan Grass. 437. pl. 114. 1975; Hsu, Fl. Taiwan 5: 498. 1978.
Muhlenbergia arisanensis Hayata, Icon. Pl. Form. 7: 87. 1918; Ohwi, Bot. Mag. Tokyo 55: 396. 1941.

Culm erect, with stolon. Blade linear, 9-10 cm long by 3 mm wide; ligule chartaceous, about 2.4 mm long, truncate, upper part minutely ciliate. Inflorescence a contracted panicle, about 13 cm long. Spikelets 1-flowered, about 2 mm long; glumes chartaceous, nerveless; the lower glumes about 2.6 mm long, lanceolate, irregular-ciliated at apex; the upper glume about 0.8 mm long, ovate-lanceolate; lemma about 2 mm long, chartaceous, lanceolate, basal margin bearded, : 3-nerved, tipped with a long awn of about 8 mm long; palea chartaceous, lanceolate-keeled, as long as the lemma, basal part bearded.

HSINCHU: Tapachienshan, Kuoh 3233. MIAOLI: Dahan, Hsu 571. TAICHUNG: Taichung, Hsu 7793; Kukuan, Hsu 454. NANTOU: Yuchu, Yamamoto s. n. Oct. 22, 1929; Hsitou, Hsu 43715. CHIAYI: Mt. Morrison, Kuoh 1286; Mt. Alishan, Feung & Kao 4914. TAITUNG: Chihpen, S. Suzuki s. n. Aug. 1932.* HUALIEN: Tailuko, Suzuki s. n. Nov. 2, 1937; Luanshan, Hsu s. n. Aug. 16, 1967.

Distributed in China, Korea, Manchuria and Japan.

This species is locally found in mountainous regions along shaded streams.

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

leaf surface 表面: (nod)nodules on both surfaces

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: (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: (fansh)bulliform set shell-shaped or fan -shaped

chlorenchyma cell number between two adjacent veins: 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
mestome sheath

distance between two adjancent vein 脈間距: 76 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 1

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


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