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Taiwan Gramineae | Family List | Poaceae | Ichnanthus

Ichnanthus vicinus (F. M. Bailey) Merr., Philip. J. Sci. 20: 367. 1922; Hsu, Fl. Taiwan 5: 560. pl. 1432, 1978.

距花黍

Ichnanthus vicinus
leaf cs section

Credit: cs kuoh

Panicum vicinum F. M. Bailey, Syn. Queensl. Fl. 3: 82. 1890.

Annuals; culm weak, rooting from basal node, 15-50 cm tall. Blade glabrous, ovate to ovate-lanceolate, 3-8 cm long, 1-2.5 cm wide; sheath slightly shorter than internode, villous on margins; ligule membranaceous, ciliate at apex, ca.1 mm long. Panicle terminal or axillary, to 15 cm long; axils pubescent. Spikelets 3.5-5 mm long, slightly laterally compressed; glumes unequal, strongly 3-5-veined, acuminate; lower glume 2/3 as long as spikelet, with a distinct internode between it and upper glume; upper glume and lower lemma equal; lower lemma 5-veined, enclosing a palea and sometimes a staminate flower; upper lemma chartaceous-indurate, 2-2.5 mm long, obtuse, stipitate and bearing 2 scars ca. base; anther ca. 1.6 mm long.

ILAN: Bonbon, Kao 5957. TAIPEI: Chuchuhu, Hsu 221; Yangmingshan, Hsu 904. MIAOLI: Nanchuang, Hsu 12677; Taan, Hsu 680. TAICHUNG: Pahsienshan, Suzuki s. n. NANTOU: Kuantachi, Kuoh 4319; Sun Moon Lake, Hsu 1348. TAINAN: Tainan, Sasaki 380202. KAOHSIUNG: Sanping, Kuoh 4013. PINGTUNG: Nanjenshan, Hsu 7826; Shihchongchi, Hsu 13191. TAITUNG: Chihpenwenchienhoushan, Hsu 4055; Lanyu Is., Hsu 9345. HUALIEN: Hualien, Sasaki 380168.

India, Malesia, Indochina, China and Polynesia. Taiwan, very common in shady areas, especially in grassland and disturbed places.

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

chlorenchyma 葉綠組織: (isach)cells elongate and radiate upward
like crab legs

chloroplast form in bundle sheath 束鞘細胞內之葉綠體型式: (not)no chloroplast

mestome sheath 內束鞘細胞: (Xyms+)metaxylem pole adjacent with
mestome sheath


 

Related Objects Image Gallery 
  • drawing (CC Hsu)
  • Image/JPEG
  • leaf cs section (cs kuoh)
  • Image/JPEG

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