''Nothofagus glauca'', commonly known as hualo or roble Maulino, is a species of

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...

in the family

Nothofagaceae ''Nothofagus'', also known as the southern beeches, is a genus of 43 species of trees and shrubs native to the Southern Hemisphere in southern South America (Chile, Argentina) and Australasia (east and southeast Australia, New Zealand, New Gui ...

. It is a deciduous tree

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

. It grows from 34° to 37° South latitude. ''N. glauca'' was proposed to be renamed ''Lophozonia glauca'' in 2013. It is a typical tree of the mediterranean

Maulino forest Maulino forest ( es, Bosque Maulino) is a forest type naturally growing in the Chilean Coast Range of Central Chile from latitude 35°55 to 36°20 S. The chief tree species is ''Nothofagus glauca''. Other tree species include '' Nothofagus leonii'' ...

Central Chile Central Chile (''Zona central'') is one of the five natural regions into which CORFO divided continental Chile in 1950. It is home to a majority of the Chilean population and includes the three largest metropolitan areas—Santiago, Valparaís ...

, its current range spanning over 330 km from north to south. The species grow on a variety of

soil Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former te ...

s and is mostly found on gentle to steep slopes.

Description

''Nothofagus glauca'' grows up to 30 m (100 ft) height and 2 m (6.5 ft) diameter, with a 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 Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

Leaves A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...

alternate, petioles 2–7 mm long, aovate, base subcordate, both faces with glands giving to them harsh texture, glaucous above, undulate margins, irregularly serrate;

lamina Lamina may refer to: Science and technology * Planar lamina, a two-dimensional planar closed surface with mass and density, in mathematics * Laminar flow, (or streamline flow) occurs when a fluid flows in parallel layers, with no disruption betwee ...

twisted 5–9 cm, notorious pinate

venation Venation may refer to: * Venation (botany), the arrangement of veins in leaves * Wing venation, the arrangement of veins in insect wings See also * * Vernation Vernation (from ''vernal'' meaning ''spring'', since that is when leaves spring fort ...

Flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...

s unisexual, small; male solitary,

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

s up to 1 cm, 50

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s; female flowers in 3 in inflorescences.

Fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...

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.

References

Encyclopedia of Chilean Flora: '"Hualo'" - ''Nothofagus glauca''
* Donoso, C. 2005. ''Árboles nativos de Chile. Guía de reconocimiento.'' Edición 4. Marisa Cuneo Ediciones, Valdivia, Chile. 136p. * Hoffmann, Adriana. 1998. ''Flora Silvestre de Chile, Zona Central.'' Edición 4. Fundación Claudio Gay, Santiago. 254p. *Rodríguez, R. & Quezada, M. 2003. Fagaceae. En C. Marticorena y R. Rodríguez ds. ''Flora de Chile'' Vol. 2(2), pp 64–76. Universidad de Concepción, Concepción. {{Taxonbar, from1=Q1615567, from2=Q42747091 Nothofagaceae Endemic flora of Chile Trees of Chile Flora of central Chile Trees of Mediterranean climate Drought-tolerant trees Vulnerable plants Taxonomy articles created by Polbot Fagales of Chile