They occur mainly in the poppy family, the buttercup family, and the nightshade family of plants.
They occur mainly in the poppy family, the buttercup family, and the nightshade family of plants.
这些含生物碱植物基本属于罂粟科，毛茛科和茄科植物。
They occur mainly in the poppy family, the buttercup family, and the nightshade family of plants.
这些含生物碱植物基本属于罂粟科，毛茛科和茄科植物。