large genus of fungi with stout stems and white spores and neither annulus nor volva; brittle caps of red or purple or yellow or green or blue; differs from genus Lactarius in lacking milky juice
造句
用作名詞(n.)
Russula is a kind of important ecotomycorrhi zal fungi.Many species of this genus have edible and pharmaceutical value. 紅菇屬是一類重要的外生菌根真菌，許多種具有食用和藥用價值。