Moreton Bay Pine
Native to (or naturalized in) Oregon:
- Conifer, evergreen tree, to 150-200 ft (~45-60 m) high, very slow growing, branches in whorls of 4-7, upper ones ascending. Bark rough, peeling of in thin layers, under bark red or brown. Leaves spirally arranged (occurring singly at a node and arranged spirally up the branchlet), lanceolate or triangular, about 1 cm long, stiff, margin entire, sharp-pointed (very prickly); shorter on fertile branches (much less prickly) and incurved. Flowers unisexual; male flowers in "cones" 2-5 cm long; seed ( female) cones ovate, erect, symmetrical, about 10 cm long and 7 cm wide; trees very old, as much as 200 years, before they produce cones.
Hardy to USDA Zone (9)10 (subtropical and tropical) Native to the tropical and subtropical rainforests of northwestern Australia (New South Wales and Queensland) and New Guinea. Two varieties are recognized:
- Araucaria cunninghamii var. cunninghamii - Australian form.
- Araucaria cunninghamii var. papuana - found in the mountains of Papua New Guinea; branches less ascending and cones larger than above.
- Hoop Pine: rough-barked trunk with circular "hoop" markings which give rise to the common name.
- cunninghamii: in honor of Alan Cunningham, 1791 - 1839, botanist and explorer.
- Specimen shown here growing at the University of California, Santa Cruz, Arboretum, USDA Hardiness Zone 9.