old_man's_beard has definitions from the field of botany
1
[ noun ] (botany) vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn

Related terms

clematis

2
[ noun ] (botany) dense festoons of greenish-gray hairlike flexuous strands anchored to tree trunks and branches by sparse wiry roots; southeastern United States and West Indies to South America

Related terms

air_plant Tillandsia

3
[ noun ] (botany) common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowers

Related terms

clematis

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