Species
Pinus banksiana
Etymology
banksiana: Named after Sir Joseph Banks, 1st Baronet, GCB, PRS (24 February 1743 - 19 June 1820) was an English naturalist, botanist and patron of the natural sciences.
Common Name(s)
jack pine
Authority
Pinus banksiana Lamb.
Family
Pinaceae
Flora Category
Vascular - Exotic
Structural Class
Gymnosperm Trees & Shrubs
Habitat
Terrestrial.
Features
Small widespreading, open tree to 10 m high. Branches very irregular, often curved. Two leaves per fascicle, 1-5 cm by 1.5-2mm, curved or twisted, lying at different angles to the shoot, deep green, ridgid and pungent. Male cones 1 cm long broadly cylindrical. Female cones 2.5-5.5 by 1.7-2.5 cm, persistent for many years and usually remaining closed. Cones usually curved towards the narrow apex, pale or yellowish-brown. Seed wing broadly asymmetric, 0.5-1 cm long.
Similar Taxa
Pinus banksiana is easily recognised by the smooth, elongated tapering, curved cones which remain on the tree until they sometimes cover the twisted branches down to the trunk.
Flower Colours
No Flowers
Year Naturalised
1957
Origin
Northern N. America
Reason For Introduction
Forestry
Life Cycle Comments
Perennial
This page last updated on 29 Mar 2010