Australian Tropical Rainforest Plants - Online edition

Gossia lewisensis N.Snow & Guymer

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Leaves and flowers [not vouchered]. © G. Sankowsky
Leaves and flowers [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO

Snow, N. & Guymer, G. P. (2003) Systematic Botany Monographs 65: 53. Type: Qld, Mt Lewis Rd near Half Ton Creek crossing, 16 deg 30, 145 deg 16, 26 Nov 1988, L.W.Jessup GJM20 & G.P. Guymer, W.J. McDonald; Holo: BR.


Living bark layer very thin. Dead bark layered.


Oil dots quite numerous and closely spaced. Lateral veins scarcely visible on either the upper or lower surfaces of fresh leaves. Midrib raised on the upper surface. Leaf blades about 4-7 x 2.2-3 cm.


Calyx lobes densely pubescent adaxially. Petals usually partly pubescent adaxially, about 3 mm long, oil dots difficult to distinguish, probably up to 50 per petal. Apex of the ovary pubescent.


Fruits globular, about 7-8 mm diam., calyx lobes persistent at the apex. Testa relatively thick, hard and horny. Embryo coiled and/or twisted with the cotyledons +/- in the middle of the spiral. Cotyledons purplish, much more slender than the radicle.


Cotyledons narrowly ovate, about 7-9 x 2 mm with a short mucro at the apex; oil dots visible with a lens, more numerous about the margin. Stipules present. Hypocotyl slightly swollen. At the tenth leaf stage: leaf blade narrowly ovate, apex long-acuminate, base attenuate, glabrous; oil dots numerous, visible to the naked eye; stipule-like glands present at the base of the petioles; petiole hairy. Seed germination time 11 days.

Distribution and Ecology

Probably endemic to NEQ, known only from collections made in the Mt Spurgeon-Mt Lewis area and the Windsor Tableland. Altitudinal range from 850-1200 m. Grows as an understory tree in mountain rain forest.

Austromyrtus sp. (Mt Lewis BG 831), : ().
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