Acanthocereus

noun

mostly trailing cacti having nocturnal white flowers; tropical America and Caribbean region

• Syn: ↑genus Acanthocereus

• Hypernyms: ↑caryophylloid dicot genus

• Member Holonyms: ↑Cactaceae, ↑family Cactaceae, ↑cactus family

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\\-ˈsirēəs\ noun

Usage: capitalized

Etymology: New Latin, from acanth- + Latin cereus candle — more at cereus

: a genus of tropical American weak often trailing cacti (family Cactaceae) having nocturnal funnel-shaped white flowers and 3-angled spiny stems — see pitahaya