umbel

1.Carpellate flowers 1–4 per umbel;

雌花每个伞形花序1-4朵；

2.A tropical American evergreen shrub(Malpighia glabra), having red or rose flowers in umbels and red cherrylike edible fruits.

平滑虎尾：美洲热带地区常绿灌木（平滑虎尾），有伞形花序的红色或玫瑰色花和红色类似樱桃的可食果实

3.A deadly poisonous European plant (Conium maculatum) widely naturalized in North America, having bipinnately compound leaves and compound umbels of small, white flowers.

芹叶，参：一种有致命性的欧洲植物（参参属），在北美洲广泛种植，有二次羽状的复叶和由小白花组成的复合伞状花序

4.plants having umbels or corymbs of uniovulate flowers; includes the Umbelliferae (chiefly herbs) and Cornaceae (chiefly trees or shrubs).

有伞状花序或单卵花伞状花序的植物；包含伞形科（以草为主）和山茱萸科（主要是乔木和灌木丛）。