Australian Tropical Rainforest Plants - Online edition

Harpullia hillii F.Muell.

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Leaflet and inflorescence [not vouchered]. CC-BY: S. & A. Pearson.

Mueller, F.J.H. von (1859), Diagnostic notes on new or imperfectly known Australian plants. Transactions of the Philosophical Institute of Victoria 3: 26.  Type: "in the virgin forests of Durands. W. Hill"

Common name

Oblong leaved Tulip, Blunt leaved Tulip.


Tree to 20 m tall, sometimes flowering and fruiting as a small tree. Young stems and buds with rusty red stellate hairs.


Leaves alternate, pinnately compound. Stipules absent. Petioles 3-8 cm long ± swollen at its junction with the twig. Leaflets (1-) 5-12 (-16), alternate, subopposite or opposite, terminal leaflet absent, rachis projecting beyond last leaflet; wing along rachis and petiole of juvenile leaves narrow. Petiolules 1-3 mm long. Leaflet blades oblong-elliptic to oblong-ovate or oblong-oblanceolate and sometimes slightly falcate, 5.5-16 (-23) cm long, 2.5-5.5 (-72) cm wide, base cuneate or obtuse, margins entire, apex obtuse, emarginate or retuse. Upper leaf surfaces usually hairless, lower leaf surface glabrous or moderately hair with soft stellate hairs. Lateral veins 13-20 pairs.


Inflorescences axillary, paniculate. Flowers usually functionally unisexual, dioecious, 5-merous, actinomorphic, c. 1.2 cm diameter. Calyx of 5 sepals, ± free, 6-8 mm long, 4-6 mm wide, velvety cream yellow on outer surface. Petals 5, free, 8-12 mm long, 4 mm wide, white, recurved to reflexed at apex, glabrous. Male flowers with usually 8 strongly exserted stamens and a rudimentary ovary. Female flowers with staminodes, disc minute, pubescent and a 2-locular superior ovary, ovary velvety, style short.


Fruit a dry deeply 2 lobed capsule, 1.3-2 cm long, 3-4 cm wide, ± laterally compressed, orange, with reddish brown stellate hairs, calyx persistent at the base. Seed 1 or 2 per lobe, aril covering most of the seed red. Testa smooth, shiny black.


Features not available.

Distribution and Ecology

Occurs in the southern part of NEQ, in CEQ, and southwards to the Macleay River in New South Wales. Usually found in dry rainforest, gallery forest and littoral rainforest.

Natural History & Notes

This profile information and associated coding has been adapted from Cooper & Cooper; (2004), Reynolds (1981, 1985), and Harden et al. (2014).

RFK Code
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