Acronychia baeuerlenii is a rare shrub or small tree growing in the most easterly part of Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. The Byron Bay Acronychia is found between the Richmond River, New South Wales to Lamington National Park

Lamington National Park

Lamington is a national park in Queensland, Australia, lying on the Lamington Plateau of the McPherson Range on the Queensland/New South Wales border...

 just over the border in the state of Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

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Habitat

An understorey plant in warm temperate rainforest. Or occasionally in sub tropical rainforest on richer alluvial or basaltic soils, up to 800 metres above sea level.

Description

Growing to around 9 metres tall and a stem diameter of 20 cm, with a crown of glossy green leaves. The trunk is smooth, grey, cylindrical and crooked. Branchlets smooth and green, turning grey with light coloured speckles.

Leaves

Leaves are opposite on the stem, not toothed, shiny bright green with a papery feel. Elliptic to elliptic oblong in shape, blunt at the leaf end, or with a rounded tip. Oil dots seen with a hand lens, being a distance between each other of two to four diameters. Leaves 6 to 11 cm long, 2 to 4 cm wide. Leaf stalk 8 to 18 mm long.

Flowers & Fruit

White or cream coloured flowers appear on cymes between October and February. The flower's ovary is not downy as in the similar Acronychia oblongifolia

Acronychia oblongifolia

Acronychia oblongifolia, commonly known as white aspen, is a small to medium sized rainforest tree of the Rutaceae family endemic to eastern Australia, distributed from Queensland to Victoria. The true aspens of the northern hemisphere belong to the genus Populus in the family Salicaceae. A...

. Fruit matures from March to May. Being a four celled greenish drupe

Drupe

In botany, a drupe is a fruit in which an outer fleshy part surrounds a shell of hardened endocarp with a seed inside. These fruits develop from a single carpel, and mostly from flowers with superior ovaries...

, with eight ribs. 15 mm in diameter. One or two black sticky seeds in each cell, 3 to 5 mm long. Germination from seed is slow and difficult.