Harpullia ramiflora, commonly known as the Claudie tulipwood or Cape York tulipwood, is a tree in the Sapindaceae family native to north east Queensland, New Guinea and parts of Malesia.
The Claudie tulipwood is a small tree growing up to high and a DBH of . The dark green, glossy, compound leaves have 8 to 12 leaflets, and are quite large (they can reach up to long including the petiole). The ovate to elliptic leaflets are also fairly large, reaching up to .
The inflorescences are initially axillary, later as the leaves fall they become ramiflorous. They are panicles up to long, and carry numerous flowers about in diameter, with a green caylyx and 4 or 5 white or cream reflexed petals.
The fruits are bright red-pink, two-valved capsules about long by wide. Each valve contains a single black seed which is almost or completely covered by a bright yellow aril.
In Australia, flowering occurs from October to July, and fruits ripen from April to November.
This species was first described in 1877 by the German botanist Ludwig Adolph Timotheus Radlkofer. His paper, titled "Über die Sapindaceen Holländisch-Indiens", was published in 1879 in the work Actes du congrès international de botanistes, d'horticulteurs, de négociants et de fabricants de produits du règne végétal tenu à Amsterdam en 1877.
Harpullia ramiflora is native to the island of Catanduanes in the Philippines, the island of Halmahera and the Aru Islands in the Maluku Islands, New Guinea, and Cape York Peninsula in Australia. It grows in rainforest and gallery forest.
In Australia the range of this species was originally from the top of Cape York to near Rossville, but after extensive planting throughout the city of Cairns it has become naturalised in the areas around the city.