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Genus Tristaniopsis Family Myrtaceae

Description: Trees or shrubs.

Leaves alternate and often crowded towards end of branches, venation obscure, petiolate.

Inflorescences axillary, triads or dichasia. Flowers 5-merous, yellow. Sepals persistent. Petals ± circular, free. Stamens usually numerous, fused into fascicles opposite the petals, inflexed. Ovary half-inferior, usually 3-locular; ovules usually pendent from the top of the axis; stigma capitate.

Fruit a loculicidal capsule, strongly exserted from the hypanthium, 3-valved, only splitting as far as the hypanthium; seeds mostly winged.


Photo © ANBG

Distribution and occurrence: World: c. 40 species, Australia, New Caledonia, Malesia to Burma & Thailand. Australia: 3 species (endemic), Qld, N.S.W., Vic.

Text by Peter G. Wilson
Taxon concept:

 Key to the species 
1Leaves oblanceolate, apex obtuse to acute; lower surface of lamina pilose; oil glands scatteredTristaniopsis laurina
Leaves narrow-elliptic, apex acuminate; lower surface of lamina glabrous; oil glands numerous, denseTristaniopsis collina

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