Ecology and distribution. Dry inter-Andean valleys; on soil. At elevations from 825-4100 m (Ecuador: 825-3800 m, Peru: 3000-4100 m, Argentina: ?m). Ecuador, Peru, Chile and Argentina.
Specimens. ECUADOR. Azuay: Cano & Gallego 2903a (MUB); Loja: Cano & Gallego 3015 (MUB). PERU. Apurimac: P. & E. Hegewald 5784 (MO); La Libertad: P. & E. Hegewald 6801 (MO).