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Octopus Cactus
Scientific Name: Stenocereus alamosensis (Coulter) Gibson & Horak
Synonym: Rathbunia sonorensis, Cereus pseudosonorensis, Rathbunia pseudosonorensis, Rathbunia neosonorensis, Rathbunia alamosensis var. sonorensis, Cereus sonorensis, Cereus alamosensis, Rathbunia alamosensis, Stenocereus alamosensis var. sonorensis
Family: Cactaceae
Octopus Cactus (Stenocereus  alamosensis) Recommended Temperature Zone:
USDA: 9b-10

Frost Tolerance: takes little frost

Sun Exposure: Full sun

Origin: Mexico (Chihuahua and Sonora)

Growth Habits: Thicket of bending stems, up to 12 ft tall (3.6 m), dark green stems 3.2 in. wide (8 cm), 2 to 6 feet long (0.6-2 m); 5 to 8 sinuous ribs; areoles 1.2-1.6 in. apart (3-4 cm); 1 to 8 centrals, one up to 1.2 in. long (3 cm); 11-18 radials reddish at first.

Watering Needs: Little water when established


Octopus Cactus (Stenocereus  alamosensis)

Octopus Cactus (Stenocereus  alamosensis)

Blooming Habits:
Tubular pinkish red flowers, 1.6 to 4 inches long (4-10 cm). The red globose fruit is edible, 1.2 to 1.6 inches in diameter (3 to 4 cm). It has 4 to 6 white acicular spines in each areoles, that tend to fall when the fruit ripens. The seeds are black.

Fruiting Habits:

Las Cactaceas de Mexico

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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