Calymmanthium

3 species Cactaceae

Morphological Summary

Small genus of columnar cacti from northern Peru, notable for its unusual floral structure that distinguishes it from other genera: its flowers are partially covered by bracts forming a kind of sheath or cover (hence the name, from Greek "kalymma", cover). It grows in dry inter-Andean valleys at mid-elevations.

Distribution Peru (La Libertad, Cajamarca); endemic to the dry inter-Andean valleys of northern Peru.

Conservation Little-known genus with a very restricted distribution. Its habitats are threatened by deforestation and the expansion of the agricultural frontier.

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