Northeastern Asian Flora
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Digitaria violascens Link   (redirected from: Digitaria violascens var. intersita (Ohwi) Ohwi)
Family: Poaceae
[Digitaria pertenuis B?se, moreDigitaria ropalotricha var. villosa (Keng) Tuyama, Digitaria thwaitesii var. tonkinensis Henrard, Digitaria violascens var. intersita (Ohwi) Ohwi, Digitaria violascens var. lasiophylla (Honda) Tuyama, Digitaria violascens var. villosa Keng, Panicum steudelianum Domin, Panicum violascens (Link) Kunth, Paspalum chinense Nees ex Hook. & Arn., Paspalum minutiflorum Steud., Syntherisma chinensis (Nees) Hitchc., Syntherisma ischaemum var. lasiophylla Honda]
Digitaria violascens image
  • Japan Flora
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Japan Flora: Glabrescent, tufted annual; culms 20-50 cm. long, erect from a short de­cumbent or ascending base, glabrous; leaf-blades flat, 6-12 cm. long, 5-8 mm. wide, slightly glaucescent above, slightly sca­brous, glabrous or often with a few, spreading, long hairs near the base; ligules hyaline, pale-brown, 1-1.5 mm, long; sheaths glabrous; racemes 4-10, digitate, ascending, 4-10 cm. long, densely flowered; rachis less than 1 mm. wide, scabrous on margins; spikelets ovate-elliptic, rather acute, 1.5-2 mm. long, white-green and sometimes slightly reddish purple tinged; first glume usually wanting, rarely hyaline and trun­cate, early withering, the second slightly shorter than the spike­let, 3-nerved, puberulent; sterile lemma 7-nerved, ovate-elliptic, grayish crisped-puberulent between the nerves; fertile lemma as long as the sterile one, ovate, coriaceous to herbaceous, dark brown, rather acute. Aug.-Oct. Grassy waste places and cultivated fields; Hokkaido, Honshu, Shikoku, Kyushu; very common and variable. China, Formosa, Ryukyus, Korea, and S. America (naturalized).

var. lasiophylla (Honda) Tuyama Plant slender, erect, with 1-3 erect racemes and hairy leaf­blades.

var. intersita (Ohwi) Ohwi Similar to the preceding variety but less hairy. Both varieties grow in rather wet places.

Digitaria violascens
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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