Characteristics of Oyster Bay Pine Tree (Callitris rhomboidea) in the Wild

Callitris rhomboidea
Oyster Bay Pine (Callitris rhomboidea) is a species of conifer in the Cupressaceae family. The tree is only found in Australia, from South Australia, Queensland, New South Wales, Victoria, and Tasmania. One of its natural habitats is the Taillefer Rocks in Tasmania.

Oyster Bay Pine grows in forests along the coast and the highlands.

This tree was first described as Callitris rhomboidea in 1826 by Robert Brown in Commentatio botanica de Conifereis et Cycadeis, Volume 47.


Characteristics of Oyster Bay Pine Leaf

Callitris rhomboidea Leaf
Source: Dahms

The leaves are needle-like, located close to the branches, light green to bluish, and about 2-3 mm long.


Characteristics of Oyster Bay Pine Fruit

Callitris rhomboidea Fruit
Source: Dahms

Male cones stand singly or in groups on branches and are egg-shaped with a length of 2 mm. The female cones are egg-shaped to flattened round and usually stand together in clusters, are gray-brown at maturity, and between 0.8-2 cm thick.

Each cone consists of six diamond-shaped scales and carries many seeds. Once ripe, they remain on the branch for several years before they release seeds and fall off. The dark brown seeds are round with a diameter of about 1 mm and have two or three wings.


Characteristics of Oyster Bay Pine Tree

Callitris rhomboidea Tree
Source: Dahms

Oyster Bay Pine grows as an evergreen tree that can reach a height of 10-15 meters and a trunk diameter of up to 35-40 cm. The branches are dense, straight, or upright, and the bark is not cracked.

The wood is used locally for light construction and for making posts. However, this species is not common to be economically important.

Oyster Bay Pine is more often grown as an ornamental tree or bonsai.


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