” Woolly candle “, in reference to the wooly pseudocephalium that the stems of the genus develops when adult.
A genus of shrubby or treelike plants, with erect columnar stems reaching up to 3m high, with many narrow and tuberculate ribs. Areoles close-set, spines aciculate.
Flowers nocturnal, self-sterile, subapical, shortly tubular, appearing in a pseudocephalium, white inside, dark outside, covered with wool and bristles, pollinated by bats. Fruits globose, barrel-shaped, with a basal dehiscence, at first fleshy then with dried pulp. Seeds rather small, slightly tuberculate, shiny, black.
The genus Lasiocereus grows on rocky slopes, among grasses and shrubs, in the shade of the surrounding vegetation (L. fulvus), from 500 m up to 2600 m in altitude in full sun (L rupicola).
Peru (Amazonas, Cajamarca).
Currently 2 recognised species:
– Lasiocereus fulvus* F. Ritter 1966
– Lasiocereus rupicola* F.Ritter 1966