JAPANESE WALNUT

Juglans ailantifolia REPORT THIS WEED (02) 6623 3800

Description Long living deciduous tree up to 15 m high, with wide-spreading foliage.

Leaves Alternate, pinnately compound leaves, 60 cm long. Groups of 9–17 leaflets are ovate-oblong, 6–18 cm long and 3–8 cm wide, usually hairless above, densely hairy on veins below, with sparsely serrated edges.

Flowers Single male catkins, around 15 cm long, hang from stems, where female catkins are on erect spikes and are usually covered with purple hairs.

Fruit Clusters of rust coloured, hairy fruit that contain hard-shelled nuts, 2.5–4 cm long.

Stems Greyish, ridged bark.

Dispersal Seed dispersed by waterways and possibly animals eating and excreting the seed. Deliberate plantings for ornamental purposes.

Confused with Introduced species Black walnut (Juglans nigra). Native species Pencil cedar (Polyscias murrayi).

Control Contact your local Rous County Council Weed Biosecurity Officer for control advice and disposal. Manually remove where appropriate. Basal bark, cut and paint, cut scrape paint, frill or stem injection with herbicide.

Description Small perennial, deciduous tree, 3–6 m tall with sharp thorns, smooth green leaves and apricot-coloured edible fruit. Often grows under trees or other places where birds perch.

Leaves Smooth green elliptic leaves, 2–5 cm long, 1–3 cm wide. Next to every leaf, there is a thorn. Alternate leaves on young shoots, clustered on older branches

Flowers Creamy green, 0.5–5 mm wide, in dense clusters of 5–10. Female and male flowers grow on a separate tree. Flowers in spring

Fruit Usually apricot in colour, but can be dark purple or red, 2–4 cm wide. The inner part of the fruit is lighter in colour. Fruit can be really sour to slightly sour-sweet.

Stems Thorns up to 7 cm long.

Dispersal Seed dispersed by birds eating and excreting the seed.

Control Please do not attempt to treat or dispose of this weed yourself. Call (02) 6623 3800 if you see this plant anywhere in the Far North Coast region.

Miconia

Miconia spp.

PROHIBITED MATTER – REPORT THIS WEED (02) 6623 3800

Prevent This Weed

Description Fast-growing trees or sprawling shrubs. Miconia calvescens is a tree that grows up to 15 m tall. M. racemosa, M. nervosa, and M. cionotricha are sprawling shrubs that grow to 3 metres tall.

Leaves Green top with purplish underside, between 20 cm (M. nervosa) and 80 cm long (M. calvescens), have three prominent veins on the upper surface and have velvety hairs.

Flowers White to pink, 4–5 mm long, in multiple clusters often with 1000 or more flowers on each cluster. Sweet-scented and very short-lived.

Fruit Green, brown or orange when unripe, purple-black when ripe. Less than 1 cm wide containing 50–200 seeds.

Stems Covered in velvety hairs when young. Can root when in contact with soil.

Dispersal Seed dispersed by birds and small animals eating and excreting the seed, waterways, wind, and in mud on clothes, footwear and machinery. Vegetative reproduction from stem fragments.

Confused with Introduced species Lasiandra (Tibouchina urvilleana) and Melastoma malabathricum. Native species Blue tongue (Melastoma affine).

Control Please do not attempt to treat or dispose of this weed yourself. Call (02) 6623 3800 if you see this plant anywhere in the Far North Coast region.