Trichocereus

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.¹

Species previously placed in the genus Trichocereus include:²

• Trichocereus macrogonus (Salm-Dyck) Riccob. → Echinopsis macrogona
• Trichocereus spinibarbis (Otto ex Pfeiff.) F.Ritter → Echinopsis spinibarbis
• Trichocereus uyupampensis Backeb. → Echinopsis uyupampensis