castor-oil plant 名詞
蓖麻
Pal·ma Chris·ti 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.]
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Cas·tor 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.
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castor-oil plant
n : 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 [syn: castor bean plant, palma
christi, palma christ, Ricinus communis]