生长于北美东部的细长，笔直的多年生植物，具有块茎状的根和粉白色的花；类似于唐松草。
Slender erect perennial of eastern north america having tuberous roots and pink-tinged white flowers; resembles meadow rue.
大丽花一种大丽花属植物，产于墨西哥、中美洲和哥伦比亚的山上，长有块茎状的根和各种颜色的艳丽射线状花头。
Any of several plants of the genus dahlia native to the mountains of Mexico Central America and Colombia having tuberous roots and showy rayed variously colored flower heads.
一种广泛传播的多年生莎草，具有小的、可食的、坚果状块茎。
A widely distributed perennial sedge having small edible nut like tubers.
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