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Visionary Cactus Guide

Espostoa

This Genus is native to Bolivia, Chile, Peru and Brazil. The name of this Genus commemerates the Peruvian botanist, Nicholas Esposto.

E. huanucensis -

Contains: hordenine (.002%), tyramine(.004%), N-methyltyramine (.002%).

E. lanata ( von Humboldt, Bonpland and Kunth ) -

Found in northern Peru. This species is characterized by its hairy, ramifying trunk which grows to 4 meters high. Branches spread out from the upper stem. Has 20 to 30 rounded ribs with closely spaced areoles. Each areole has a tuft and many short yellow hairs, crowned by short radial spines with red tips. Bears white, nocturnal flowers to 5 cm long. First described in 1823.

A slow growing variety that will tolerate partial shade. Keep warm in winter. Propagate by cuttings.

Reported to contain unspecified alkaloids.