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Royen's Tree Cactus

Scientific Name: Pilosocereus royenii (L.) Byles & G.D.Rowley
Synonym: Cactus royenii, Cactus strictus, Cephalocereus barbadensis, Cephalocereus brooksianus, Cephalocereus gaumeri, Cephalocereus millspaughii, Cephalocereus monoclonos, Cephalocereus nobilis var. curtisii , Cephalocereus nobilis, Cephalocereus royenii, Cephalocereus strictus, Cephalocereus swartzii, Cephalocereus urbanianus, Cereus barbadensis, Cereus brooksianus, Cereus gaumeri, Cereus haworthii, Cereus millspaughii, Cereus monoclonos, Cereus nobilis, Cereus swartzii, Cereus urbanianus, Pilocereus barbadensis, Pilocereus brooksianus, Pilocereus curtisii, Pilocereus gaumeri, Pilocereus haworthii, Pilocereus millspaughii, Pilocereus monoclonos, Pilocereus nobilis, Pilocereus royenii, Pilocereus strictus, Pilocereus swartzii, Pilocereus urbanianus, Pilosocereus barbadensis, Pilosocereus brooksianus, Pilosocereus gaumeri, Pilosocereus millspaughii, Pilosocereus monoclonos, Pilosocereus nobilis, Pilosocereus swartzii, Pilosocereus urbanianus, Pseudopilocereus nobilis
Family: Cactaceae

Pilosocereus royenii in the DBG shade house

Origin: Mexico (Yucatan, Quintana Roo), Caribbean

Growth Habits: Tree-like, much branched, 20 feet tall (6 m), stems 2 to 3.6 inches in diameter (5 to 9 cm); 6 to 11 ribs; young areoles with felt and silky hair, reaching 0.8 inch long on flower bearing ones; 1 to 6 centrals; 8 to 15 radials;

Crested Cephalocereus urbanianus in the HBG greenhouse (HBG 4858, K2390)

Blooming Habits:
Nocturnal, pinkish to greenish flowers, 2 inches long or more (5 cm); depressed globose brown fruit with light colored pulp.

List of All the Plants | More in the Cactaceae family

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