绵毛 meaning in English

down
tomentum

Inflorescence paniculate , rachis tawny tomentose ; female flowers borne on basal part of the inflorescence
花序圆锥状；花序轴被灰黄色短绵毛；雌花著生于花序轴下部。
The results showed that all water parameter of ceratoides arborescens were higher than that of ceratoides lanata , and the photosynthetic rate of c . arborescens was also higher under water stress
试验结果表明，华北驼绒藜的水分生理指标普遍高于绵毛优若藜，在水分胁迫状态下，华北驼绒藜的光合作用要比绵毛优若藜强。