buttercup
/ˈbʌtəkʌp/noun
1- a herbaceous plant with bright yellow cup-shaped flowers, which is common in grassland and as a garden weed. All kinds are poisonous and generally avoided by livestock.毛茛。
1.1
- Genus Ranunculus, family Ranunculaceae (the buttercup family). This large family also includes anemones, celandines, aconites, clematis, and hellebores, many of which have poisonous seeds.毛茛属, 毛茛科。该科也包括银莲花属、白屈菜属、乌头属、铁线莲属和铁筷子属, 种子多有毒。