Native from Mexico to Bolivia and again in southern Chile and some Pacific Islands. Photo from the mountains east of Quito, where it is known as Shanshi.
Herbarium Blackwellianum emendatum et auctum, id est, Elisabethae Blackwell collectio stirpium.Norimbergae : Typis Io. Iosephi Fleischmanni, 1750-1773..biodiversitylibrary.org/page/291027