old man's beard

1. The old man's beard fell over his chest.
   这位老人的髯须垂在胸前。
2. This wild flower goes by the name of "old man's beard"
   这种野花叫做“老人须”
3. Willow herb also goes under the name of old man's beard.
   柳兰又名“老人胡须”。

noun

1. common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowers

   Synonym:    virgin's bowerdevil's darning needleClematis virginiana

2. vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn

   Synonym:    traveler's joytraveller's joyClematis vitalba

3. dense festoons of greenish-grey hairlike flexuous strands anchored to tree trunks and branches by sparse wiry roots

   Synonym:    Spanish mossblack mosslong mossTillandsia usneoides