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Weed Index Result
FAMILY
Oleaceae

ORIGIN
Europe

COMMON NAME
Olive

BOTANICAL NAME
Olea europaea subsp. africana

[IMAGE]

Photo source:

IDENTIFICATION
Bushy tree or shrub. Leaves scaly, usually opposite and lanceolate or narrow-elliptic (rounded at both ends, widest in middle) to 110 mm. Appearing pale or slightly silvery beneath, dark green above. Flowers small and 4-12 lobed. Stone fruit, round, 5-8 mm diameter, glossy, green, becoming red and then black.

HABITATS
Open coastal shrub and modified areas near native forest margins. Inshore and offshore islands. Raoul Island.

IMPACT TO BIOTA AND ECOSYSTEMS
Extremely aggressive weed on Norfolk Island and showing similar tendencies on Raoul. Occasional around Auckland City and inner Hauraki Gulf islands. Displaces coastal shrubs and trees.

DISPERSAL ROUTES, VECTORS, INFESTATION SOURCES
Bird dispersed seeds. Often grown as hedges and sold in nurseries.

MANAGEMENT

Physical Control
Hand pull seedlings, break stems and hang nearby to desiccate. Fell larger trees and treat the stump with herbicide.

Disposal
Remove all seeds from felled trees and burn. Felled trees should desiccate and decompose in situ providing the cut end is elevated off the ground.

Recommended Approach
Hand pull seedlings and fell larger trees.

Chemical Control

Biological Control

Recommended Approach
Hand pull seedlings and fell larger trees.

FURTHER COMMENT





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