冠かん毛もう

noun, noun which may take the genitive case particle 'no'

thistledown; pappus

Botanical term for the feathery, hair-like tuft on seeds of plants like dandelions and thistles, aiding wind dispersal.

• タンポポの冠かん毛もうが風かぜに乗のって飛とんでいく。

  The dandelion's pappus floats away on the wind.