Australian Tropical Rainforest Plants - Online edition

Gossia dallachiana (F.Muell. ex Benth.) N.Snow & Guymer

Shrub (woody or herbaceous, 1-6 m tall)
Click/tap on images to enlarge
Flower [not vouchered]. CC-BY J.L. Dowe
Fruit, side views and cross section. © W. T. Cooper
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
10th leaf stage, cotyledons still attached. © CSIRO
Cotyledon stage, epigeal germination Cotyledons very narrow. © CSIRO

Snow, N. & Guymer, G.P. (2003) Systematic Botany Monographs 65: 58.

Common name



Seldom exceeding 30 cm dbh. Bark smooth, generally pale, occasionally with pinkish brown patches.


Leaf blade rather large, about 10-20 x 5-12 cm. Oil dots very numerous. Main intramarginal vein about 4-15 mm from the blade margin.


Petal oil dots yellowish. Petals and sepals pubescent adaxially. Petals about 5-6 mm long.


Fruits globular, about 12 mm diam. or perhaps larger, calyx lobes persistent at the apex. Testa membranous. Cotyledons much narrower than the radicle, pale green and marked by brownish oil dots. Embryo coiled with the cotyledons +/- in the middle of the spiral.


Cotyledons sessile, lanceolate, about 3-6 x 0.5 mm. Oil dots small, visible with a lens, mainly about the margin and towards the apex. Stipules visible at the cotyledon and early leaf stages. At the tenth leaf stage: leaf blade ovate, apex acute or acuminate with a short mucro; oil dots numerous, orange or yellowish, visible with a lens. Seed germination time 22 to 45 days.

Distribution and Ecology

Endemic to Australia, occurs in CYP, NEQ and CEQ. Altitudinal range from near sea level to 1100 m. Grows as an understory tree in well developed rain forest on a variety of sites.

Austromyrtus dallachiana (Benth.) L.S.Sm., Proceedings of the Royal Society of Queensland 67: 35(1956). Eugenia dallachiana F. Muell ex Benth., Flora Australiensis 3: 287(1867), Type: Rockingham Bay, J. Dallachy s.n.; Holo: K; Iso: BRI, MEL.
RFK Code
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