毛状体为单毛和鳞片毛两种类型。

Trichomes can be divided into two groups, simple trichomes and scales.

youdao

乔木或灌木，雌雄异株；毛被为单毛。

Trees or shrubs, dioecious; indumentum of simple hairs.

youdao

灰毛菊属的任何一种植物，产于欧洲南部，具有单生包片或银色的头状花序，管状花呈浅紫色。

Any plant of the genus xeranthemum native to southern europe having chaffy or silvery flower heads with purplish tubular flowers.

youdao