Fitzroya is a monotypic

Monotypic

In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...

 genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 in the cypress family

Cupressaceae

The Cupressaceae or cypress family is a conifer family with worldwide distribution. The family includes 27 to 30 genera , which include the junipers and redwoods, with about 130-140 species in total. They are monoecious, subdioecious or dioecious trees and shrubs from 1-116 m tall...

.

Species

The single living species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

, Fitzroya cupressoides, is a tall, long-lived conifer native to the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

 mountains of southern Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

 and Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, where it is an important member of the Valdivian temperate rain forests

Valdivian temperate rain forests

The Valdivian temperate rain forests are a temperate broadleaf and mixed-forest ecoregion located on the west coast of southern South America, lying mostly in Chile and extending into a small part of Argentina. It is part of the Neotropic ecozone. The forests are named after the city of Valdivia...

. The scientific name of the genus honours Robert FitzRoy

Robert FitzRoy

Vice-Admiral Robert FitzRoy RN achieved lasting fame as the captain of HMS Beagle during Charles Darwin's famous voyage, and as a pioneering meteorologist who made accurate weather forecasting a reality...

; common names include lahuan (the Mapuche

Mapuche

The Mapuche are a group of indigenous inhabitants of south-central Chile and southwestern Argentina. They constitute a wide-ranging ethnicity composed of various groups who shared a common social, religious and economic structure, as well as a common linguistic heritage. Their influence extended...

 Native American

Indigenous peoples of the Americas

The indigenous peoples of the Americas are the pre-Columbian inhabitants of North and South America, their descendants and other ethnic groups who are identified with those peoples. Indigenous peoples are known in Canada as Aboriginal peoples, and in the United States as Native Americans...

 name), alerce (South American Spanish), and Patagonian Cypress.

Description

Fitzroya cupressoides is a very large evergreen

Evergreen

In botany, an evergreen plant is a plant that has leaves in all seasons. This contrasts with deciduous plants, which completely lose their foliage during the winter or dry season.There are many different kinds of evergreen plants, both trees and shrubs...

 tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

, the largest tree species in South America, normally growing to 40–60 m (131–196 ft; but occasionally more than 70 m in Argentina) tall and up to 5 m in trunk diameter. Much larger specimens existed in the past before the species was heavily logged

Deforestation

Deforestation is the removal of a forest or stand of trees where the land is thereafter converted to a nonforest use. Examples of deforestation include conversion of forestland to farms, ranches, or urban use....

 in the 19th and 20th centuries; Charles Darwin

Charles Darwin

Charles Robert Darwin FRS was an English naturalist. He established that all species of life have descended over time from common ancestry, and proposed the scientific theory that this branching pattern of evolution resulted from a process that he called natural selection.He published his theory...

 reported finding a specimen 12.6 m (41' 6") in diameter. The leaves

Leaf

A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are in decussate whorls of three, 3–6 mm long (to 8 mm long on seedlings) and 2 mm broad, marked with two white stomatal lines. The cones

Conifer cone

A cone is an organ on plants in the division Pinophyta that contains the reproductive structures. The familiar woody cone is the female cone, which produces seeds. The male cones, which produce pollen, are usually herbaceous and much less conspicuous even at full maturity...

 are globose, 6–8 mm diameter, opening flat to 12 mm across, with nine scales in three whorls of three. Only the central whorl of scales is fertile, bearing 2-3 seed

Seed

A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...

s on each scale; the lower and upper whorls are small and sterile. The seeds are 2–3 mm long and flat, with a wing along each side. The seeds mature 6–8 months after pollination.

3622 years old
In 1993 a specimen from Chile was found to be 3622 years old, making it the second oldest fully verified (by counting growth rings

Dendrochronology

Dendrochronology or tree-ring dating is the scientific method of dating based on the analysis of patterns of tree-rings. Dendrochronology can date the time at which tree rings were formed, in many types of wood, to the exact calendar year...

) age for any living tree species, after the Great Basin Bristlecone Pine

Great Basin Bristlecone Pine

Pinus longaeva, the Great Basin Bristlecone Pine, is a long-living species of tree found in the higher mountains of the southwest United States. The species is one of three closely related trees known as bristlecone pines and is sometimes known as the Intermountain or Western bristlecone pine...

.

Fossils
A team of researchers from the University of Tasmania

University of Tasmania

The University of Tasmania is a medium-sized public Australian university based in Tasmania, Australia. Officially founded on 1 January 1890, it was the fourth university to be established in nineteenth-century Australia...

 found fossil

Fossil

Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

ized foliage of Fitzroya on the Lea River of northwest Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

. The 35 million year-old fossil has been given the species name Fitzroya tasmanensis. The finding demonstrates the ancient floristic affinities between Australasia

Australasia ecozone

The Australasian zone is an ecological region that is coincident, but not synonymous , with the geographic region of Australasia...

 and southern South America, which botanists identify as the Antarctic flora

Antarctic flora

The Antarctic flora is a distinct community of vascular plants which evolved millions of years ago on the supercontinent of Gondwana, and is now found on several separate areas of the Southern Hemisphere, including southern South America, southernmost Africa, New Zealand, Australia and New Caledonia...

.

History

Logging of Fitzroya in colonial Chile began in 1599 and continued until 1976 when it became forbidden by law, although illegal logging still occasionally occurs.

During the colonial era in Chiloé

Chiloé Archipelago

Chiloé Archipelago consists of several islands lying off the coast of Chile. It is separated from mainland Chile by Chacao Channel in the north, the Sea of Chiloé in the east and Gulf of Corcovado to the southeast. All of the archipelago except Desertores Islands, which are part of Palena...

 Fitzroya wood was highly valued and roof shingles of Fitzroya were used as currency called "real de alerce

Real de alerce

Real de alerce or real de madera was a local currency consisting in Fitzroya wood that was used during colonial times in Chiloé Archipelago. It was the Jesuits, established in Chiloé since the 17th century that established Fitzroya as a mayor export product towards the Viceroyalty of Peru...

".

External links

• Fitzroya cupressoides - at the 2011 IUCN Red List
  IUCN Red List
  The IUCN Red List of Threatened Species , founded in 1963, is the world's most comprehensive inventory of the global conservation status of biological species. The International Union for Conservation of Nature is the world's main authority on the conservation status of species...
  
  of Threatened Species
• Fitzroya cupressoides in Chilebosque (Spanish)
• Fitzroya cupressoides in Encyclopedia of the Chilean Flora (Spanish)
• Gymnosperm Database - Fitzroya cupressoides