Vincenzo Riccobono

Stenocereus, from Ancient Greek στενός (stenós), meaning "narrow", and Latin cēreus, meaning "candle", is a genus of columnar or tree-like cacti from the Baja California Peninsula and other parts of Mexico, Arizona in the United States, Colombia, Costa Rica, Guatemala, Venezuela and the West Indies. The genus has been enlarged by the addition of species from several other genera. A close relative is the peculiar chinoa or chende cactus, Polaskia chende.

Oreocereus is a genus of cacti (family Cactaceae), known only from high altitudes of the Andes. Its name means "mountain cereus", formed from the Greek prefix oreo- (ὀρεο-, mountain) and the Neo-Latin cereus, meaning wax or torch.

Oreocereus celsianus, or the old man of the mountain is a member of the family Cactaceae native to the high lands of the Andes in South America, and is named for its fluffy white hair, which may protect it from intense sunlight and extreme temperatures.

Stenocereus stellatus is a flowering plant in the family Cactaceae that is found in Oaxaca, Mexico

Echinopsis macrogona, synonym Trichocereus macrogonus, is a species of cactus found in Bolivia and Peru. Echinopsis macrogona is one of a number of similar species that may be called San Pedro cactus. Indigenous names include achuma and huachuma, although these too may be applied to similar species.

Borzicactus is a genus of cacti native to Colombia, Ecuador, and Peru.

Trichocereus is a formerly recognized genus of cacti native to South America (Bolivia, northern Chile, Ecuador and Peru). As of November 2025, it was considered by Plants of the World Online to be a synonym of the genus Echinopsis.

Visit the page for more details.

Pilosocereus catalani is a species of cactus native to an unknown location.

Visit the page for more details.