Nothofagus glauca (Hualo) is a species of plant in the Nothofagaceae family. It is endemic to Chile. It grows from 34 to 37 South latitude. Up to 30 m (100 ft) height and 2 m (6.5 ft) diameter. Straight and cylindrical trunk. The bark is gray-reddish and rough. It lives in places with long droughts. Is very useful for reforestating areas with very bent slopes and with long dry season in summer. It is threatened by habitat loss.
Leaves alternate, petioles 27 mm long, aovate, base subcordate, both faces with glands giving to them harsh texture, glaucous above, undulate margins, irregularly serrate; lamina twisted 5-9 cm, notorious pinate venation. Flowers unisexual, small; male solitary, pedicels up to 1 cm, 50 stamens; female flowers in 3 in inflorescences. Fruit cupule with 4 narrow valves , with three yellowish nuts 12-20 mm long, pilose, the two lower triangular, tri-winged, and the internal flat and bi-winged.
Donoso, C. 2005. Arboles nativos de Chile. Guia de reconocimiento. Edicion 4. Marisa Cuneo Ediciones, Valdivia, Chile. 136p.
Hoffmann, Adriana. 1998. Flora Silvestre de Chile, Zona Central. Edicion 4. Fundacion Claudio Gay, Santiago. 254p.
Rodriguez, R. & Quezada, M. 2003. Fagaceae. En C. Marticorena y R. Rodriguez [eds.], Flora de Chile Vol. 2(2), pp 64-76. Universidad de Concepcion, Concepcion.
Gonzalez, M. 1998. Nothofagus glauca. 2006 IUCN Red List of Threatened Species. Downloaded on 22 August 2007.
in Encyclopedia of Chilean Flora
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