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Taiwan Gramineae | Family List | Poaceae | Setaria

Setaria plicata (Lam.) T. Cooke, Fl. Bombay. 2: 919. 1908; Hsu, Fl. Taiwan 5: 605, pl. 1449. 1978.

皺葉狗尾草

Setaria plicata
drawing

Credit: CC Hsu

Perennials; clum glabrous, 80-130 cm high. Blade narrowly lanceolate, thin, plicate, glabrous, 30- 20 cm long, acuminate; mouth of sheath long hairy, margins ciliate; ligule ca. 2 mm long, consisting of a ring of hairs. Panicle loose, branches contracted, 20-30 cm long. Spikelets green, sometimes purplish, ovate-oblong, ca. 3.5 mm long, acute; lower glume 1/3 as long as spikelet, ovate-orbicular, 5-veined; upper glume 3/4-2/3 as long as spikelet, obtuse, oblong, 5-7-veined. Lower lemma narrowly ovate, 5-7- veined, acute; upper lemma as long as spikelet, shiny, ovate-oblong, acute, distinctly and finely rugose.

MAIOLI: Sungling, Sasaki s. n. NANTOU: Kwankao, Huang 8570. KAOHSIUNG: Sanping, Kuoh 4085. PINGTUNG: Kenting, Hsu 8139; Ssuchungchi, Hsu 13564.

India, Sri Lanka to China and Japan. Taiwan, in lowland forest.

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: (bboth)appear both in adaxial and abaxial side

chlorenchyma cell number between two adjacent veins: 2

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: 80 micrometer

length/weidth ratio of bundle sheath in LS 束鞘細胞縱面長寬比: 3

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


 

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  • drawing (CC Hsu)
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