vkingdom Plantae - plants »  divisio Magnoliophyta - flowering plants »  class Rosopsida - eudicots » order Malpighiales »  family Violaceae »  tribus Violeae > genus Viola > section Viola sect. Andinium W. Becker 

section Viola sect. Andinium W. Becker 

Viola atropurpurea Leyb.

Native: Southern America SOUTHERN SOUTH AMERICA: Argentina, [Mendoza, Neuquén, San Juan] Chile

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Habitat

Extreme altitude well beyond the timber line. Somewhat dry areas where the drought may last 3 - 5 months. Precipitations of 400 - 800 mm. are concentrated in winter. Humid areas, with almost constant rainfall. Short dry periods are possible (generally not longer than 1 month). Fully exposed to the sun. Level areas or slopes facing north.

References:

Marticorena, C. & M. Quezada. 1985. Catálogo de la flora vascular de Chile.Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74.