Comprehensive Description
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englanti
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tarjonnut North American Flora
Diectomis laxa Nees, Agrost. Bras. 340. 1829
Diectomis angustaia J. Presl, in Presl, Rel. Haenk. 1 : 333. 1830. Andropogon apricus Trin. M€m. Acad. St. Petersb. VI. 42 : 83. 1836. Andropogon angustatus Steiid. Syn. Gram. 370. 1854. Andropogon Lindenii Steud. Syn. Gram. 389. 1854. Sorgum laxum Kuntze, Rev. Gen. 790. 1891.
Stems erect, up to 1 m. tall, slender, branching above; leaf-sheaths glabrous; ligules 1-2.5 mm. long; blades 1-3 dm. long, 1-2 mm. broad; racemes in 2's-4's, 1.5-2.5 cm. long, the common pedimcle usually included in the spathe, the rachis-internodes and pedicels broadly cuneate, ciliate; sessile spikelet 5 mm. long, oblong, the first scale linear, truncate, the margins broadly infolded, the narrow intercarinal space glabrous, 2-4-nerved, the silky-barbed callus 1 mm. long, the second scale keeled, compressed, obovate-oblong, with a straight awn 2-3 times its length arising from the entire apex, the fourth scale gibbous on the back, 3-nerved, ciliate, bearing below the minutely 2-toothed apex an awn 3-4 cm. long, the hispidulous column geniculate above the middle and shorter than the subula; pedicellate spikelet with the first scale oblong, long-ciliate on the keel, 7-nerved, bearing an awn twice as long as itself, the second scale 3-nerved, shortly awned or awnless.
Type locality : In sunny mountainous places, Serra dos dois Irmaos, Piauhy, Brazil. Distribution : Mexico to Costa Rica; also in Colombia, Venezuela, and Brazil.
- bibliografinen lainaus
- George Valentine Nash. 1912. (POALES); POACEAE (pars). North American flora. vol 17(2). New York Botanical Garden, New York, NY
Andropogon angustatus: Brief Summary
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vietnam
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tarjonnut wikipedia VI
Andropogon angustatus là một loài thực vật có hoa trong họ Hòa thảo. Loài này được (J.Presl) Steud. mô tả khoa học đầu tiên năm 1854.
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