Australian Tropical Rainforest Plants - Online edition

Carnarvonia araliifolia var. montana B.Hyland

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

Hyland, B.P.M. (1995) Flora of Australia 16: 345. Type: State Forest Reserve 194, Western, QLD, 6 Jan., 1972, B.P.M. Hyland 12206.

Common name

Red Oak; Oak, Red; Red Silky Oak


Oak grain in the wood and a corresponding pattern in the inner blaze.


Oak grain in the twigs. Petiole of the compound leaf usually long, 5 cm or more, slender. Leaf variable, digitately compound on large trees but on small trees it is a combination of a digitate and pinnate leaf. Leaflet blades about 7-20 x 4-8 cm. Young shoots clothed in small, brown or dark brown hairs. Lateral veins forming loops well inside the blade margin.


Flowers perfumed like passion fruit (Passiflora spp.). Hairs on the pedicel ferruginous, tortuous, with many hairs +/- erect. Tepals about 3-6 mm long. Hypogynous glands nil. Ovules 2 per ovary. Ovary sessile.


Fruits 3.6-5 x 1.5-2.1 cm, pedicel laterally attached.


Cotyledons somewhat fleshy, obovate, about 9-12 mm long, truncate at the apex. First pair of leaves simple, lobed to approaching trifoliolate, margins serrate. At the tenth leaf stage: leaf blade trifoliolate, margin serrate, expanding new leaves hairy on the upper surface. Seed germination time 15 to 18 days.

Distribution and Ecology

Endemic to NEQ, restricted to the area bounded by the Windsor Tableland and Thornton Peak in the north and the southern edge of the Atherton Tableland in the south. Altitudinal range from 650-1200 m. Grows in well developed upland and mountain rain forest.

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