Definition

Noun: 1. A genus of cacti: Acanthocereus is a botanical genus name for a group of mostly trailing or sprawling cacti. These plants are characterized by their nocturnal, large, white flowers and are native to tropical regions of the Americas and the Caribbean.

Usage Examples

• Noun:
  • The Acanthocereus in the greenhouse bloomed spectacularly last night.
  • Botanists study the unique growth patterns of Acanthocereus.
  • Several species of Acanthocereus are popular among cactus collectors.

Advanced Usage

• In botanical taxonomy: The word is used with precise botanical nomenclature, often followed by a specific epithet to denote a species (e.g., ).
  • The specimen was identified as Acanthocereus horridus.

Variants and Related Words

• Acanthocereinae: (noun) The botanical subtribe to which the genus belongs.
• Cereus: (noun) A related but distinct genus of cacti, often confused with or historically containing some species.

Synonyms

• Triangle cactus (common name for some species within the genus, e.g., ).
• Barbed-wire cactus (another common name for certain species).

Notes on Meaning

This word has a single, highly specific meaning within the domain of botany. It refers exclusively to the taxonomic genus and the physical plants it comprises.

Noun

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