Roble Hualle or Coyan is a endémico Arbol of the Chilean subantarticos forests, is from the province of Colchagua in sixth región to Lago Llanquihue in décima región, being located to them long of both mountain ranges and también in the central valley.

El Hualle gets to reach a height of up to 40 meters, with a leafy clear green foliage. It has a less cilíndrico, straight trunk but or, of up to 2 meters of diámetro.

Su Crust is heavy, cracked, of dark color café and in you hoist jóvenes is smooth and of gray color until off-white. Their Branches are heavy, slightly perpendicular to the trunk has ovoid Yolks, of 3 to 5 mm in length, their leaves are you expire, simple, membranosas, variable in form and tamaño.

La wood of Hualle occupies one of the first places in his utilización within you hoist Chileans. She is medium; with a heavy whiteness of semi-yellowish color and they duramen brown to costaño rojiso, has a light one grained and little natural brightness, duramen contains tánicas substances, which confers to the wood the great solidity and durability.

Sus main uses are in fabricación of structures of buildings and railway bridges, sleepers, posts of lighting system, stakes for walls, structures and covers of boats, in addition to carpintería and ebanistería. For this reason the intensity of explotación of this species I throw it to diminish conciderably as a natural challenge of the country.