Araucaria scopulorum
| Araucaria scopulorum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
.JPG)
Araucaria scopulorum |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Araucaria scopulorum | ||||||||||||
| de foliage. |
Araucaria scopulorum is a species of the genus Araucaria ( Araucaria ). It is endemic to theisland of Grande Terre, part of New Caledonia .
description
Araucaria scopulorum grows as an evergreen tree that can reach heights of 4 to 20 meters. The crown is oval in shape. The light gray, almost white bark flakes off in thin strips. The feathery branches are 6 to 8 millimeters thick.
On young specimens, the approximately 7 millimeter long leaves are scale-like and curved inward. On older specimens, the roof-tile-like, scale-like leaves are egg-shaped with a length of 3 to 4 millimeters and a width of 2.5 to 3 millimeters with a pronounced central rib. The tip is curved.
The male cones are 3 to 5 centimeters long and 0.7 to 1.1 centimeters in diameter, twisted-cylindrical in shape. They contain triangular microsporophylls with six pollen sacs. No description is available for the female cones. The seed becomes about 3 centimeters long and has a broad wing.
Occurrence
The natural range of Araucaria scopulorum includes the north and east of Grande Terre . They can be found in the area around Poum in the north and Thio in the south, as well as at Cap Bocage near Houaïlou .
Araucaria scopulorum thrives at altitudes from 0 to 600 meters. It grows mainly in bush forests, facing the sea, steep slopes and mountain ridges.
Systematics
Araucaria scopulorum belongs to the section Eutacta within the genus of the Araucarias ( Araucaria ). It was first described as Araucaria scopulorum in 1969 by David John de Laubenfels in Travaux du Laboratorie Forestier de Toulouse , Volume 1 (8), Article 5, p. 1.
Hazard and protection
Araucaria scopulorum is listed as "endangered" on the IUCN Red List . Mine construction is cited as the main risk factor.
swell
- Christopher J. Earle: Araucaria scopulorum. In: The Gymnosperm Database. www.conifers.org, December 12, 2010, accessed June 29, 2011 .
Individual evidence
- ↑ a b c d Christopher J. Earle: Araucaria scopulorum. In: The Gymnosperm Database. www.conifers.org, December 12, 2010, accessed June 29, 2011 .
- ↑ a b Araucaria scopulorum in the endangered Red List species the IUCN 2011. Posted by: Thomas, P., 2009. Accessed June 29, 2011th
- ↑ Araucaria scopulorum at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed June 29, 2011.
Web links
Araucaria scopulorum. www.endemia.nc, accessed on June 29, 2011 (French, brief description, images and distributionmap).