Cactus e Dintorni

Habitat: Mexico, southern areas of United States, Central America, Peru.
Description: a group of diverse plants, whose taxonomy is still debated, with upright or decumbent, sometimes branching habit. The apical or lateral flowers are bell-shaped. It is synonymous with Machaerocereus. They are often grouped under the genus Stenocereus. Polaskia is a subgenus within Lemaireocereus now moved under Pachycereus.
Soil: mineral mix.
Location: grow in full sun.
Temperature: the minimum should stay around 10°C (50°F).
Water: average with some spraying  during the period of rest.
Cultivation tips: they’re slow-growing and can be propagated from seed or by rooting offsets. A large window box makes an ideal container.
Main species of Lamaireocereus: Lemaireocereus eburneus; Lemaireocereus pruinosus; Lemaireocereus thurberi.
L. beneck; Polaskia chichipe.