Grewia

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Grewia asiatica

Description

This is a large scraggly spreading perennial shrub which grows from 1 to 4 metres high. It has long slender drooping branches; the young branches are densely covered with hairs. It is resistant to fire.

Leaves are broadly heart-shaped and pointed at the apex, 18 centimetres long, prominently veined; 5 main veins from the base. They have serrated edges with a whitish fuzz on the underside. Leaves are arranged on alternate areas of the stem.

Flowers are small orange-yellow, about 1 centimetre long on short stalks, clustered in the leaf axils, each with numerous stamens. It flowers during autumn and winter.

Fruit are in clusters of round fleshy purple to black fruit, each with 1 or 2 hard seeds.

Habitat the dry grassy woodlands in north Queensland and in Townsville, it was introduced during World War II in military camps.

Weed characteristics it chokes out natural woodlands.

Dispersal by people, birds, animals and floods.

Declaration Details

This species is not a declared plant under Queensland legislation but is a high priority in adjacent regions and its control is recommended.

How to act

Cut stump or basal barking is effective for isolated established plants. Young plants can be physically removed. Foliar spraying is most effective when plant is actively growing. Control should be carried out prior to seed set with follow up monitoring and control of emergent growth important.

Refer to Weed Control Methods.

References

Related information

Grewia Leaves © NQ Dry Tropics 2012
Grewia Leaves © NQ Dry Tropics 2012
Grewia © NQ Dry Tropics 2011
Grewia © NQ Dry Tropics 2011

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