蓖麻

[ noun ]
large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics
<noun.plant>

Castor oil \Cas"tor oil\ (k[a^]s"t[~e]r oil`).
A mild cathartic oil, expressed or extracted from the seeds
of the {Ricinus communis}, or {Palma Christi}. When fresh the
oil is inodorous and insipid.

{Castor-oil plant}. Same as {Palma Christi}.

Palma Christi \Pal"ma Chris"ti\ [L., palm of Christ.] (Bot.)
A plant ({Ricinus communis}) with ornamental peltate and
palmately cleft foliage, growing as a woody perennial in the
tropics, and cultivated as an herbaceous annual in temperate
regions; -- called also {castor-oil plant}. [Sometimes
corrupted into {palmcrist}.]