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Gossia lewisensis

Family

Myrtaceae

Botanical Name

Gossia lewisensis N.Snow & Guymer

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.

Synonyms

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

Stem

Living bark layer very thin. Dead bark layered.

Leaves

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.

Flowers

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.

Fruit

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.

Seedlings

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.

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.

NEQ

X

Tree

X

RFK Code

863