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Agrostis thurberiana : ウィキペディア英語版 | Agrostis thurberiana
''Agrostis thurberiana'' is a species of grass that is native to northwest and southwest United States and Canada. ==Description== The species is perennial with short rhizomes and long culms. It have smooth leaf-sheaths with an eciliate membrane that is long and goes around the ligule. It is also lacerate, truncate and obtuse with the leaf blades being wide. The panicle is open, inflorescenced, lanceolate, and is long. The species' spikelets are long and are both elliptic and solitary with pedicelled fertile spikelets and one fertile floret which have a hairy callus. The glumes are long and are lanceolate, membranous and have one keel. They also have scaberulous veins and acute apexes. It have a hairy and long rhachilla and elliptic long and keelless fertile lemma while the lemma itself have a dentated apex. Flowers have two long lodicules which are membranous while the stamens (of which there are three of) are long. The hilum is linear while the fruits are caryopses with an additional pericarp.〔
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「Agrostis thurberiana」の詳細全文を読む
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