Corynocarpus laevigatus

Nom vernaculaire
karaka ou laurier de Nouvelle-Zélande
Famille
Corynocarpaceae

Slow-growing evergreen tree.

Classification

Trees and shrubs
Couleur de feuille
Green
Couleur de fleur
Green
Hauteur minimum
1000cm
Hauteur max
1500cm
Encombrement min
200cm
Encombrement max
500cm
Intérêts remarquables
Evergreen
Utilisation au jardin
Isolated

General description

Origin
This plant is native to the coastal and lowland forests of the North Island of New Zealand, as well as coastal areas of the northern third of the South Island and the Kermadec and Chatham Islands.
Climate
Withstands temperatures down to -7-4 °C.
Exposure
Sun - Partial shade. It tolerates coastal conditions well and, thanks to its dense growth.
Soil
Light - Medium - Heavy. PH 6-7.
Growth
Average.
Use
It is often planted as an ornamental tree, but it has become an invasive species in some areas due to its prolific seedling growth and ability to outcompete native vegetation. It makes an excellent potted plant.

General physiology

Dimensions
It can reach a height of 15 meters.
Habit
Narrow and upright.
Note
Maori folklore tells how this plant was introduced to New Zealand, but as it is not found anywhere else, this story is now considered an unfounded legend and the plant is believed to be native to New Zealand.

Leaves

Shape
The leaves are oval, leathery and glossy, about 5 to 15 cm long.
Colour
Green.
Note
Evergreen leaves.

Flowers

Flowering time
Flowering takes place in spring (September-November in the southern hemisphere)
Shape
The flowers are small. Grouped in panicles.
Colour
Greenish.

Fruits

Ripening
The fruits ripen in summer and autumn (February-April in the southern hemisphere).
Shape
The fruits are oval drupes, 2 to 4 cm long.
Colour
Bright orange to red.
Note
Karaka is primarily cultivated for its edible fruit after preparation. The raw seeds are toxic and must be processed (steaming or boiling, followed by drying) to remove the karakin toxin. The oil extracted from the fruit is also edible.