Rock Araucaria Pine (Araucaria scopulorum)
Araucaria scopulorum: The Rock Araucaria of New Caledonia
Inhabiting the steep, rocky coastal slopes of New Caledonia, Araucaria scopulorum, commonly known as the rock araucaria, thrives as a highly resilient conifer within the family Araucariaceae. Compared to other towering members of its genus, it is a relatively small tree, typically maturing at heights between 4 and 20 meters. It naturally forms a vital part of the maquis shrublands, clinging to coastal ridges that face the sea.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ superclass Gymnospermae
- ∟ division Pinophyta
- ∟ subclass Cupressidae
- ∟ order Araucariales (Southern pines and monkey-puzzles)
- ∟ family Araucariaceae (Araucaria family)
- ∟ genus Araucaria (Monkey puzzle tree)
- ∟ species Araucaria scopulorum (Rock Araucaria Pine)
Morphology
This evergreen tree develops an attractive oval-shaped crown over time. Its light gray, almost white bark is highly distinctive, continuously peeling off in thin, papery strips. The branches are spreading, with the terminal branchlets measuring 6 to 8 millimeters in thickness.
Juvenile leaves are initially needle-like and distinctly curved inwards. As the tree matures, the adult leaves become tightly imbricate and ovate with a prominent midrib. These scale-like adult leaves feature a slightly incurved apex.
The male cones are cylindrical, twisted, and relatively small, measuring 3 to 5 centimeters in length. The resulting seeds reach up to 3 centimeters in length and feature elongated tips with broadly pointed wings.
Interesting facts
The specific epithet scopulorum translates directly from Latin as "of the cliffs," perfectly describing its ecological niche on steep coastal slopes at elevations generally below 300 meters.
This species currently faces severe existential threats primarily stemming from habitat destruction. A significant portion of its natural distribution directly overlaps with active nickel mining operations, and unfortunately, none of its remaining populations are currently located within officially protected areas.
Geography of distribution
- New Caledonia
Sources
- POWO
- WFO
- GBIF
- IUCN Red List