Australian Tropical Rainforest Plants - Online edition

Darlingia ferruginea J.F.Bailey

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Flowers. © B. Gray
Leaves and Flowers. © B. Gray
Scale bar 10mm. © CSIRO
Cotyledons and 6 leaves, epigeal germination. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO

Bailey, J.F. (1899) Queensland Agricultural Journal 5(4): 402. Type: Evelyn district, June - July 1899, J. Bailey s. n., holo: BRI.

Common name

Rose Silky Oak; Brown Silky Oak; Oak, Silky Rose; Oak, Silky; Silky Oak; Oak, Rusty Silky; Rusty Silky Oak


Oak grain in the wood and a corresponding red or pink, lace-like pattern in the blaze.


Oak grain in the twigs. Leaf blades about 20-46 x 5-21 cm, densely clothed with rusty brown hairs on the underside. Lateral veins forming loops well inside the blade margin. Young shoots and leafy twigs densely clothed in short, rusty or dark brown hairs.


Flower bracts more than 5 mm long. Tepals about 25-33 mm long. Hypogynous glands globular, four. Ovules 4. Ovary clothed in ferruginous hairs.


Follicles about 7-8 x 2.5-3.5 cm. Seeds flat about 7-8 x 2.5-3 cm, wing about 4-15 mm wide, embryo about 30-40 x 15-20 mm.


Cotyledons about 40-50 x 18-20 mm. First leaves simple, margins entire or lobed. At the tenth leaf stage: leaf blade with a few dark brown hairs along the midrib on the upper surface; terminal bud clothed in dark brown hairs. Seed germination time 24 days.

Distribution and Ecology

Endemic to NEQ, restricted to the Atherton Tableland. Altitudinal range from 650-1300 m. Grows in well developed upland and mountain rain forest and probably reaches its best development on soils derived from basalt.

Natural History & Notes

Produces a decorative timber with an oak grain.

Wood specific gravity 0.61 Cause et al. (1989).

Darlingia spectatissima var. ferruginea (J.F.Bailey) C.T.White, Journal of the Arnold Arboretum 11: 231(1930).
RFK Code
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