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Bahama Dildo, Robin Tree Cactus

Scientific Name: Pilosocereus polygonus (Lam.) Byles & G.D.Rowley
Synonym: Cactus polygonus, Cephalocereus bahamensis, Cephalocereus deeringii, Cephalocereus keyensis, Cephalocereus polygonus, Cephalocereus robinii, Cereus keyensis, Cereus robinii var. deeringii , Cereus robinii, Pilocereus bahamensis, Pilocereus deeringii, Pilocereus keyensis, Pilocereus polygonus, Pilocereus robinii, Pilosocereus bahamensis, Pilosocereus deeringii, Pilosocereus keyensis, Pilosocereus robinii var. deeringii , Pilosocereus robinii
Family: Cactaceae

Eaton, M.E.; The Cactaceae Vol. 2 Pl 6, Fig 1

Origin: USA (Florida), Bahamas, Cuba, Hispaniola

Growth Habits: Shrubby or tree-like, 10 to 33 feet tall (3-10 m), bluish to bluish green stems, 2 to 4 inches in diameter (5-10 cm); 5 to 13 ribs; many spines, 0.4 to 1 inch long (1-2.5 cm)

An antique picture, as Cephalocereus bahamensis, in Britton and Rose's The Cactaceae

The variety endemic to Florida is listed in the endangered species list in the USA. It has 9 to 15 prominent ribs, 15 to 30 acicular spines, to 0.8 inch long (2 cm).

Blooming Habits:
Nocturnal white flowers out of areoles with dense wool, 2 to 2.4 inches long (5-6 cm), 1 to 2 inches in diameter (2.5-5 cm)

List of All the Plants | More in the Cactaceae family

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