點頭洋蔥

Nodding onion is a perennial plant in the family Alliaceae.This plant grows in dry woods, rock outcroppings, and prairies.This species is cultivated for its attractive flowers.點頭洋蔥是菊科（Alliaceae）的多年生植物，生長在乾燥的木材，岩石露頭和大草原中，以其迷人的花朵栽培。 Allium cernuum form major has larger plants and larger flowers than the normal species.大蔥頭蔥的植物和花比正常物種大。