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Organito de Vibora
Scientific Name: Peniocereus viperinus (F.A.C.Weber) Buxb.
Synonym: Wilcoxia papillosa, Wilcoxia tomentosa, Peniocereus tomentosus, Wilcoxia viperina, Cereus viperinus, Cullmannia viperina
Family: Cactaceae
Organito de Vibora (Peniocereus  viperinus)
As Wilcoxia viperina, in Britton and Rose's The Cactaceae
Recommended Temperature Zone:
USDA: 10-11

Minimum Avg. Temperature: 55F (12C)

Heat Tolerance: Very heat resistant in Phoenix in summer

Sun Exposure: Bright light to full sun

Origin: Mexico (Morelos, Puebla, also Sinaloa and Guerrero - see text)

Growth Habits: Shrub, much branched, up to 6.5 feet tall (2 m), olive green stems up to 0.8 inches in diameter (2 cm); 8-10 ribs; small blackish areoles 0.4 to 0.8 inches apart (1-2 cm); 3-4 conical central spines; 8-9 acicular black radials; old areoles lose their spines.

Watering Needs: Little water, needs good drainage


The plant described as Wilcoxia papillosa is included here: the main differences are smaller stems, up to 0.3 inches in diameter (8 mm) and only 3 to 5 ribs, it is coming from Sinaloa and Guerrero where it is called 'Cardoncillo'.

Organito de Vibora (Peniocereus  viperinus)

Blooming Habits:
The diurnal flower has glossy red petals and a tube dark reddish brown, almost black with spines and dark wool. It measures around 3.2 inches long (8 cm), 1.6 inches in diameter(4 cm)

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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