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Pachycereus schottii (Senita cactus)
Flaigg, Norman G.

Pachycereus schottii

Pachycereus schottii (Engelm.) D.R. Hunt

Senita Cactus

Cactaceae (Cactus Family)

Synonym(s): Cereus schottii, Lophocereus schottii

USDA Symbol: PASC14

USDA Native Status: L48 (N)

The Senita Cactus is a member of the family Cactaceae, which consists of succulent, spiny plants of dry areas including herbs, shrubs, a few small trees, epiphytes, and vines. Cactus family plants may be herbaceous or woody, with enlarged, cylindrical or flattened stems, often jointed, and with many clustered spines and hairs spreading from a center. There are about 1800 species in tropical and warm temperate America, especially dry regions.


From the Image Gallery

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Plant Characteristics

Duration: Perennial
Habit: Cactus/Succulent
Fruit Type: Berry
Size Notes: Columnar 3-15 feet long, branching from base, erect or straggling. Stems are about 2 1/2 inches thick.
Flower: Flowers 1.5 inches across 1-1 1/2 inches long.

Bloom Information

Bloom Color: Red , Green
Bloom Time: Apr , May , Jun , Jul , Aug
Bloom Notes: Nocturnal blooms from a terminal pseudophalium.


Native Distribution: Found in U.S. only at Organ Pipe Cactus National Monument in southern Arizona. Also Mexico (Sonora, Baja).
Native Habitat: Hills, plains, slopes in well-drained areas.

Growing Conditions

Water Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
Conditions Comments: Minimum temperature 50F.


Bibref 1140 - Cacti (1991) Clive Innes and Charles Glass

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Additional resources

USDA: Find Pachycereus schottii in USDA Plants
FNA: Find Pachycereus schottii in the Flora of North America (if available)
Google: Search Google for Pachycereus schottii


Record Modified: 2014-07-16
Research By: TWC Staff

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