also: むかふんスギ · ムカフンスギ
noun
pollen-free Japanese cedar
A cultivar of Cryptomeria japonica bred to produce little or no pollen, reducing hay fever symptoms.
無花粉杉は花粉症対策として注目されている。
Pollen-free Japanese cedar is attracting attention as a measure against hay fever.
Compound of 無 (mu, 'without') + 花粉 (kafun, 'pollen') + 杉 (sugi, 'cedar').