Australian Tropical Rainforest Plants - Online edition

Medicosma fareana (F.Muell.) T.G.Hartley

Shrub (woody or herbaceous, 1-6 m tall)
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Flower and buds. © Barry Jago
Leaves and Flowers. © CSIRO
Fruit. CC-BY J.L. Dowe
Scale bar 10mm. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
10th leaf stage. © CSIRO
Leaves and Flowers. © CSIRO
Leaves and Flowers. © CSIRO

Hartley, T.G. (1985) Australian Journal of Botany 33: 36.

Common name

White Aspen


Seldom growing beyond 30 cm dbh. Blaze yellowish.


Leaf blades about 9-16 x 2.6-7.4 cm. Oil dots visible with a lens, if not visible to the naked eye. About 12-20 pairs of veins. Leaf bearing twigs either green or pale brown. Petiole shallowly channelled on the upper surface.


Pedicels about 12-28 mm long. Calyx lobes and petals marked by yellow oil dots. Petals about 7-7.5 mm long. Stamens eight, dimorphic, four long and four short. Staminal filaments hairy towards the base. Style hairy towards the base.


Follicles glabrous, about 5.5-6 mm long enclosed in the persistent perianth. Seeds about 5 x 3 mm, testa obscurely striate and minutely papillate, caruncle only slightly developed.


Cotyledons about 8-10 mm long, margins +/- smooth. First pair of leaves trifoliolate, leaflet margins toothed. At the tenth leaf stage: leaf blade elliptic, apex acuminate, base cuneate or attenuate, oil dots numerous, pale brown, visible with a lens; midrib raised on the upper surface; lateral veins forming loops well inside the blade margin; petiole shallowly channelled with two grooves on the upper surface. Seed germination time 19 days.

Distribution and Ecology

Endemic to NEQ, widespread throughout the area. Altitudinal range from near sea level to 1000 m. Grows as an understory tree in well developed rain forest on a variety of sites.

Melicope fareana (F.Muell.) Engl., Die Naturlichen Pflanzenfamilien 3(4) : 122(1896). Euodia fareana F.Muell., Fragmenta Phytographiae Australiae 9: 101(1875), Type: In silvis primaevis trans sinum Rockinghams Bay; Dallachy. [given by T.G.Hartley, Austral. J. Bot. 33 (1985) 36 as Dallachy, 2.xi.1870.).
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