The Full Wiki

Fitzroya: Map

Advertisements
  
  

Wikipedia article:

Map showing all locations mentioned on Wikipedia article:



Fitzroya is a monotypic genus in the cypress family Cupressaceae with a single species, Fitzroya cupressoides native to the Andes mountains of southern Chilemarker and Argentinamarker, where it is an important member of the Valdivian temperate rain forests. The scientific name of the genus honours Robert FitzRoy; common names include Lahuan (the Mapuche Native American name), Alerce (South American Spanish), and Patagonian Cypress.

It is a very large evergreen tree, the largest tree species in South America, growing to 40-60 m (131-196 ft) tall and up to 5 m trunk diameter. The leaves 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 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 seeds on each scale; the lower and upper whorls are small and sterile. The seeds are 2-3 mm long, flat, with a wing along each side. The seeds are mature 6–8 months after pollination.

In 1993 a specimen from Chile was dated as 3622 years old. This gives it the second-greatest fully verified (by counting growth rings) age for any living tree, after the Great Basin Bristlecone Pine. Much larger specimens existed in the past before the species was heavily logged in the 19th and 20th centuries; Charles Darwin reported finding a specimen 12.6 m (41' 6") in diameter.

A team of researchers from the University of Tasmania found fossilized foliage of Fitzroya on the Lea River of northwest Tasmaniamarker. The 35 million year-old fossil has been given the species name Fitzroya tasmanensis. The finding demonstrates the ancient floristic affinities between Australasia and southern South America, which botanists identify as the Antarctic flora.

In the colonial Chiloé the Fitzroya wood was very valued and roof shingles of Fitzroya were used as money and were called "Real de Alerce".

References

  • Listed as Endangered (EN A1cd+2 cd v2.3)
  • Hill, R. S. and Whang, S. S. 1996. A new species of Fitzroya (Cupressaceae) from Oligocene sediments in north-western Tasmania. Australian Systematic Botany 9(6): 867-875.


External links




Embed code:
Advertisements






Got something to say? Make a comment.
Your name
Your email address
Message