yè / qiào / jī / bù / cháng / yǒu / róng / máo / zhè / shì / shí / bié / pǐn / zhǒng / de / tè / zhēng / zhī / yī叶鞘基部常有绒毛,这是识别品种的特征之一。The base of the leaf sheath often has hairs, which is one of the characteristics for identifying varieties.