Flindersia ifflana, commonly known as hickory ash or Cairns hickory,[1] is a species of tree in the family Rutaceae and is native to Papua New Guinea and Queensland. It has pinnate leaves with between four and twelve egg-shaped to elliptical leaflets, panicles of white or cream-coloured flowers and woody fruit studded with rough points.
Flindersia ifflana is a tree that typically grows to a height of and has thick fissured bark on old trees. The leaves are arranged in opposite pairs and are pinnate, long with four to twelve egg-shaped to elliptical leaflets that are long and wide on petiolules long. The flowers are arranged in panicles long, with at least a few male-only flowers. The sepals are about long and the petals are cream-coloured or white, long. Flowering occurs from October to March and the fruit is a woody capsule long, containing seeds that are long.[2]
Flindersia ifflana was first formally described in 1877 by Ferdinand von Mueller in Fragmenta phytographiae Australiae from specimens collected by Walter Hill near Trinity Bay.[3] [4]
Hickory ash grows in rainforest and is found in Papua New Guinea and in Queensland where it occurs at altitudes between from Cape Grenville to near Atherton.