Foliage

Kauri male and female cones
Kauri leaves have no petioles and are arranged alternately. They are thick and leathery with parallel veins and are dull olive-green colour. Juvenile leaves are 5-10 x 0.5-1.2cm; Adult leaves are 2.0-3.5 cm long. Most leaves remain on the tree for 3-6 years. (Ogden and Ahmed 1989), some up to 15 years ( Sylvester and Orchard 1999). The colour of seedling foliage varies from olive green to bronze to red. Reddening is noticeable in naturally regenerating seedlings and nursery- raised stock. It is caused by increased concentration of the pigment rhodoxanthin and is thought to be a response to high light intensity (Peterson 1963)

 

Kauri Distribution

Kauri Distribution

The kauri grows in the subtropical northern part of the North Island, with a natural range as far as latitude 38 degrees south, roughly on a line joining Tauranga and Kawhia. However kauri are quite hardy and will grow as far south as Stewart Island (47 degrees...

Kauri Growth

Kauri Growth

Trees normally reach a height of 30m -- occasionally 60m -- with a normal trunk diameter of three metres, sometimes reaching seven metres. As a young tree (known as a ricker) the kauri has a narrow, conical shape with branches up the length of the trunk. As the tree...

Botanical Details

Botanical Details

The Kauri, Agathis australis, is New Zealand's largest and most famous native tree, on account of its size and age. It is regarded worldwide as a truly noble tree. Ancestors of the kauri first appeared in the Jurassic Period 190-135 million years ago. Kauri - podocarp...