Australian Tropical Rainforest Plants - Online edition

Dinosperma longifolium T.G.Hartley

Shrub (woody or herbaceous, 1-6 m tall)
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Flowers [not vouchered]. © G. Sankowsky
Flowers [not vouchered]. © G. Sankowsky
Leaves and fruit [not vouchered]. © G. Sankowsky
Leaves, inflorescence and fruit [not vouchered]. © G. Sankowsky
Fruit [not vouchered]. © G. Sankowsky
Flowers [not vouchered]. © G. Sankowsky
Fruit [not vouchered]. © G. Sankowsky

Hartley, T.G. (1997) Adansonia 19(2): 195. Type: Nicholson 4018, Australia, Queensland, Cook District, State Forest Reserve 607, Freshwater Creek, 11 Jan 1966.


Shrub or small tree to 7 m tall.


Leaves opposite, but may also be in whorls of 3-4, simple, 15-30 cm long, petiole -.1-0.5 cm long; leaf blazdes glabrous or nearly, narroly elliptice to oblanceolate, 15-30 x 4-7.5 cm, narrowly cordate. Main veins 23-27 per side of leaf blade.


Inflorescences many flowered panicles, 18-30 cm long. Flowers poorly known. Sepals ovate, 1 mm long. Petals white, glabrous, 2 mm long. Stamens 8, as long as petals with a few papillate glands towards apex, anthoer 0.5 mm long. Gynoecium glabrous, 1 mm long, style 0.5 mm long.


Follicles widely spreading to horizontal (divaricate), asymmetrically obovate, 20 mm long. Mature seeds unknown.


Not recorded.

Distribution and Ecology

Endemic to NEQ, known only from a few restricted locations in the Wet Tropics, near Davies Creek, Mt Bartle Frere and Bellenden Ker.

Natural History & Notes

Very rare. Distinguished from other species in this genus by the simple leaves and leaf base which is narrowly cordate.

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