Acronychia acronychioides


Acronychia acronychioides, commonly known as white aspen, is a species of small to medium-sized rainforest tree that is endemic to north-eastern Queensland. It has trifoliate leaves with elliptic to egg-shaped leaflets on stems that are more or less cylindrical, creamy yellow flowers in large groups in leaf axils and fleshy, pear-shaped or spherical fruit.

Description

Acronychia acronychioides is a tree that typically grows to a height of and has more or less cylindrical stems. The leaves are usually trifoliate on a petiole long. The leaflets are elliptic to egg-shaped with the narrower end towards the base, long and wide on a petiolule up to long. The flowers are arranged in large groups long in leaf axils, each flower on a pedicel long. The four sepals are wide, the four petals long and the eight stamens alternate in length. Flowering occurs from April to May and the fruit is a fleshy, pear-shaped to spherical drupe long.

Taxonomy

White aspen was first formally described in 1864 by Ferdinand von Mueller who gave it the name Euodia acronychioides and published the description in Fragmenta phytographiae Australiae. In 1974, Thomas Gordon Hartley changed the name to Acronychia acronychioides in the Journal of the Arnold Arboretum.

Distribution and habitat

This tree grows as an understorey tree in well-developed rainforest between the Kutini-Payamu (Iron Range) National Park in Cape York Peninsula to the Eungella Range in central eastern Queensland, at altitudes from sea level.

Conservation status

White aspen is classified as least concern under the Queensland Government Nature Conservation Act 1992.