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Taiwan Gramineae | Family List | Poaceae | Eremochloa

Eremochloa ophiuroides (Munro) Hack. in DC,, Monogr. Phan. 6: 261. 1889. Hsu, Fl. Taiwan 5: 645. 1978; Koyama, Grass. Jap. Neighb. Reg. 469. 1987.

假儉草

Eremochloa ophiuroides
leaf cs section 2

Credit: cs kuoh

Ischaemum ophiuroides Munro, Proc Amer. Acad. 4: 363. 1860.
Eremochloa ophiuroides (Munro) Hack. var. longifolia Hayata, Icon. Pl. Form. 7: 78. 1918.

Culm tufted. Blade about 4 cm long by 3 mm wide, with short hairs on the back and margins; ligule minute, about 0.2 mm long. Inflorescence a single raceme, about 4 cm long. Spikelets paired, dimorphic, all sessile, the upper reduced, liner as long as the lower; the lower oblong, compressed, about 4 mm long. Lower glume subcoriaceous, oblong, apex 2-winged, lower part inrolled, inconspicuously 9-nerved, tessellate-nerved, glabrous, lateral spines stout and short, as long as the spikelet; upper glume subcoriaceous, lanceolate, margins folded, 3-nerved, about 3.8 mm long. Lower floret hyaline, about 3.4 mm long; lemma lanceolate, boat-shaped, upper margins inrolled; palea elliptical, margins folded. Upper floret of the same texture, about 2.5 mm long; lemma oblong, margins slightly inrolled, irregularly toothed; palea as long as the lemma, deltoid at the apex.

TAIPEI: Yingko, Hsu 591. ILAN: Chiaochi, Hsu 99. HSINCHU: Hsienchaoshih, Hsu 7789A; Tapu, Hsu 479. TAOYUAN: Nankan, Hosokawa s. n. July 6, 1930. MIAOLI: Chunan, Hsu 479., TAICHUNG: Houli, Hsu 235.,TAITUNG:TaiPingChi Taitung city, YF Chen 20638.

Distributed in South China and Vietnam.

This is a promising lawn grass in Taiwan. It has stoloniferous stems and the leaves form dense flat mats on poor soils on hillsides.

leaf surface 表面: (fla)flat surface

sclerenchyma 厚壁組織: (noscl)no except large vein

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: 55 micrometer


 

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