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Scientific Name: Cephalocereus columna-trajani (Karw.) K.Schum.
Synonym: Pilocereus hoppenstedtii, Cereus hoppenstedtii, Cephalocereus hoppenstedtii, Cephalocereus hagendorfi, Pilocereus columna-trajani, Pachycereus columna-trajani, Haseltonia columna-trajani, Cereus columna-trajani, Pilocereus lateralis
Family: Cactaceae
Organo (Cephalocereus  columna-trajani)
Young Cephalocereus hoppenstedtii in the HBG greenhouse (HBG 57000, WB 6237)
Recommended Temperature Zone:
USDA: 9b-11

Minimum Avg. Temperature: 55F (12C)

Sun Exposure:

Origin: Mexico (southern Puebla, northwestern Oaxaca) in forests

Growth Habits: Solitary columnar stem, never ramified, up to 33 feet tall (10 m), 16 in. in diameter in the middle of the stem (40 cm), decreasing with the height; 16-22 ribs; 5 to 8 central spines, to 4 in. long (10 cm); 14 to 18 radials, to 0.5 inches long (1.2 cm)

Watering Needs: Needs good drainage


Blooming Habits:
The Cephalocereus columna-trajani has a lateral yellowish pseudo-cephalium close to the tip of the stems, on the north side, 4 to 8 inches wide (10 to 20 cm). The whitish nocturnal flowers come in summer, they are up to 3 inches long and wide (7.5 cm). The whitish ovoid fruits are 0.8 to 1.2 inches in diameter, with little flesh.

Fruiting Habits:

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