𝔖 Bobbio Scriptorium
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Medical Toxicology of Natural Substances || Karaka Nut (Corynocarpus laevigatus J.R. & G. Forst.)

✍ Scribed by Barceloux, Donald G.


Publisher
John Wiley & Sons, Inc.
Year
2008
Weight
137 KB
Category
Article
ISBN
047172761X

No coin nor oath required. For personal study only.

✦ Synopsis


BOTANICAL DESCRIPTION

Common Name: New Zealand Laurel, Karaka Nut Scientifi c Name:

Forst. Botanical Family: Corynocarpaceae (karaka) Physical Description: This evergreen tree reaches up to 12 m ( ∼ 40 ft) in height and 8 m ( ∼ 25 ft) in width.

The alternate, obovate leaves have a smooth edge over the entire leaf margin and they reach 12 -20 cm ( ∼ 5 -8 in.) in length. The bark is brownish to grayish fi brous tissues with patches of reddishbrown cork cells. The pistil develops into a clubshaped drupe containing one seed. Distribution and Ecology: This tree is a native species of New Zealand that inhabits moist woodlands and is an invasive species in Hawaii.

EXPOSURE

Karaka nuts are one of the staple vegetables of the Maori people of New Zealand. They prepare this food by baking the fruit in earthen ovens for several hours and then washing the baked fruit for 1 -2 days to remove the covering of the fruits. 1 The kernels are then dried in the sun.


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