Tufted with tillers, short rhizomes and stolons; leaf folded in bud; leaf blade bluish green, linear with boat-shape tip; inflorescence an open panicle; seeds awnless. Flowers from April to June.

• 本种??簇生形，具分?*，亦具短的根茎及匍匐茎；叶在芽期是褶生；叶片蓝绿色，长条状，前端成船状；花序??开放圆锥花序；种子无芒；花期4至6月。