Genus of grasses
Arrhenatherum oat-grass orbutton-grass , is agenus ofEurasian andNorth African plants in thegrass family .[ 4] [ 5] [ 6] [ 7]
Wild forms can resemblewild oat (Avena ) orfescue (Festuca ). Oat-grasses are very commonperennials with yellowishroots . The shiningstems grow to a height of 1.80 m (6 ft),[ 8] leaves are hairless with blunt ligules. Theinflorescence is apanicle with two-flowered bisexual spikelets.[ 9]
Species[ 3] [ 10] Arrhenatherum album Arrhenatherum calderae Arrhenatherum elatius [ 11] [ 12] [ 13] [ 14] Arrhenatherum kotschyii Arrhenatherum longifolium Arrhennatherum palaestinum Arrhenatherum pallens formerly included[ 3] numerous species now considered better placed in other generaAvenula Danthoniastrum Duthiea Helictochloa Helictotrichon Sphenopholis
^ lectotype designated by L.K. Pfeiffer, Nom. 1: 274 (1872) ^ Tropicos,Arrhenatherum P. Beauv. ^a b c "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew" .^ Watson L, Dallwitz MJ. (2008)."The Grass Genera of the World:Arrhenatherum " .The Grass Genera of the World . Retrieved2009-08-19 . ^ Palisot de Beauvois, Ambroise Marie François Joseph. 1812. Essai d'une Nouvelle Agrostographie 55-56 descriptions in Latin, commentary in French^ Palisot de Beauvois, Ambroise Marie François Joseph. 1812. Essai d'une Nouvelle Agrostographie plate XI (11), figure V (5) at lower left line drawings ofArrhenatherum avenaceum ^ Altervista Flora Italiana genereArrhenatherum ^ Streeter D, Hart-Davies C, Hardcastle A, Cole F, Harper L. 2009.Collins Flower Guide . Harper CollinsISBN 9-78-000718389-0 ^ Valdes, B. & H. Scholz. 2006. The Euro+Med treatment of Gramineae - a generic synopsis and some new names. Willdenowia 36(2): 657–669 ^ The Plant List search forArrhenatherum ^ Flora of China Vol. 22 Page 322燕麦草属 yan mai cao shuArrhenatherum P. Beauvois ^ Atlas of Living Australia, Oatgrass,Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl ^ Biota of North America Program 2013 county distribution map ^ Rosengurtt, B., B. R. A. Maffei & P. I. Artucio. 1970. Gramíneas Uruguayas [i–vii], 1–489. Universidad de la República, Montevideo
