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Semaphore Cactus

The Semaphore Cactus has numerous flowers with orange to red petals and can grow between 3 and 15 feet. The plant is typically found between the rockland hammock and coastal swamp of the Florida Keys. The Semaphore Cactus is listed as an endangered species and the wild population is severely threatened by a deadly exotic moth.

 

Florida Natural Areas Inventory's Online Field Guide to the Rare Plants and Animals of Florida

Detailed descriptions, photographs, drawings, maps, habitat information, and management guidelines for more than 200 rare plant species and 150 rare animal species.

FNAI's Online Field Guide for the Semaphore Cactus

 

Institute for Systematic Botany Plant Atlas

Basic species information such as legal status, county distributions, pictures, and synonyms.

ISB Atlas Description for the Semaphore Cactus

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