cereus

詳細解釋：

ce.re.us

n.（名詞）
Any of several cacti of the genusCereus or closely related genera, such as a night-blooming cereus.
仙影掌，仙人山：一種仙影掌屬 或相近屬仙人掌，如夜裡開花的仙人掌

來源：
New Latin Côreus [genus name]
現代拉丁語 Côreus [屬名]
from Latin côreus [candle (from its shape)]
源自 拉丁語 côreus [蠟燭（得名於其形狀）]
from côra [wax] * see cerate
源自 côra [蠟] *參見 cerate