vicoa

Updated: July 25, 2026

The commonest forms are Erigeron Asteroides, Vernonia cinerea, Laurea pinnatifida, Vicoa auriculata, Heylandia latebrosa and Chrysopogon montanus. In direct contrast with the ordinary desert-types they have a thin epidermis, with exposed stomata, features that ordinarily were characteristic of species of moister regions.

Hugo de Vries - Species and Varieties, Their Origin by Mutation