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''Dichanthium annulatum'' is a species of grass. It is commonly used as a forage for livestock. Common names include marvel grass, Diaz bluestem, Kleberg bluestem, Hindi grass, ringed dichanthium, sheda grass, medio bluestem (var. ''papillosum''),〔(''Dichanthium annulatum''. ) Germplasm Resources Information Network.〕 jargu grass, Delhi grass, vuda bluegrass, two-flowered golden-beard,〔Cook, B. G., et al. (''Dichanthium annulatum''. ) Tropical Forages. CSIRO, DPI&F (Qld), CIAT and ILRI, Brisbane, Australia.〕 Santa Barbara grass (English language), ''pajón'', ''yerba de vias'' (Spanish language), ''hemeira'', ''abu qasaba'' (Arabic), alabang grass,〔Quattrocchi, U. ''CRC World Dictionary of Grasses: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology, Volume 1.'' CRC Press. 2006. pg. 633.〕 ''lindi'' (Philippines), ''pitilla'' (Cuba), ''climacuna'' (Colombia), ''song tha'o to'' (Vietnam), ''ya Hindi'', ''ya waen'' (Thailand),〔 ''vleivingergras'' (var. ''papillosum'') (South Africa), ''zu-uc'' (Mexico), ''ebastan'' (Mali), and ''lukh'' (Sudan).〔 In India, where it is very important in agriculture, it has many common names, including ''karad'',〔 ''bansi'', ''daroya'', ''gawat'', ''janewa'', ''loari'', ''marvalyan hullu'', ''palvan'', ''sam payen'', ''zinjoo'', and ''zinsma''.〔 It is native to tropical Asia, the Middle East, and parts of Africa. It has been introduced to many other parts of the world for cultivation, and it has become naturalized in some places, such as Australia.〔 ==Description== This species is quite variable.〔〔(''Dichanthium annulatum'' (Forsk.) Stapf. ) The Center for New Crops & Plant Products. Purdue University.〕 In general, it is a perennial grass often with stolons. The stems spread outwards, then grow erect at the ends. A stem may be a meter long and reach about 60 centimeters in erect height.〔(''Dichanthium annulatum''. ) Grass Manual. Flora of North America.〕 Each node on the stem is encircled with a ring of hairs.〔 The rough-haired leaf blades are up to 30 centimeters long.〔 The inflorescence is an array of purplish or green branches each up to 7 centimeters long. There are generally 2 to 9 branches, but sometimes up to 15.〔 The spikelet may be well over 2 centimeters long, including its long awn. The awn is twisted and has two bends in it.〔 The root system goes no deeper than one meter.〔〔(''Dichanthium annulatum'' (Forsk.) Stapf. ) Grassland Species Profiles. FAO.〕 This grass often reproduces by apomixis, producing seeds without fertilization. It does reproduce sexually at times. Plants can be diploid, tetraploid, or hexaploid.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dichanthium annulatum」の詳細全文を読む スポンサード リンク
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