Consolea corallicola Small
Family: Cactaceae
Florida semaphore Cactus
[Cactus spinosissimus Kuntze,  more]
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Trees to 2 m; trunk ± elliptic in cross section, heavily armed. Stem segments from top of trunk, tending to grow in 1 plane, not equilateral, falcate, 12-30 cm, not reticulate, copiously armed; areoles 1-3+ cm apart, obdeltate, 3 × 1.5 mm; wool tan, encircled by gray. Spines 5-9 per areole, salmon colored, aging light gray, needle-shaped, to 12+ cm; spines of branches smaller and more flexible than those on trunk, mostly in marginal and submarginal areoles. Glochids usually not visible or, sometimes, small short yellowish tuft, particularly on areoles of fruits. Flowers appearing bisexual, emitting faint rotting-meat odor; outer tepals conic, fleshy; inner tepals bright red, obovate-apiculate, to 25 mm; stigma lobes light red, turning dark red upon pollination. Fruits sometimes proliferating when seedless, yellow, obovoid to clavate, usually slightly curving upward, 25-60 mm, fleshy; areoles prominent; spines spreading. Seeds irregular in outline, 7-9 mm diam.; girdle cristate. 2n = 66. Flowering year-round (peak Dec-Apr). Hammocks; of conservation concern; 0 m; Fla. The name Opuntia spinosissima of authors, not (Martyn) Miller, has been applied to Consolea corallicola. Consolea corallicola is endemic to the Florida Keys and near extinction. It is already extirpated from several keys and is known from fewer than twenty plants in the wild. Hurricanes, deer, and cactoblastis moths impact the health of the population.

Consolea corallicola is in the Center for Plant Conservation´s National Collection of Endangered Plants.

The National Science Foundation
This project made possible by National Science Foundation Award 1410069