Australian Tropical Rainforest Plants - Online edition

Beilschmiedia collina B.Hyland

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Fruit, side views, cross section and seed. © W. T. Cooper
Scale bar 10mm. © CSIRO
Habit, flower, stamen & glands, staminode, fruit, seedling. © CSIRO
Cotyledon stage, hypogeal germination. © CSIRO
10th leaf stage. © CSIRO

Hyland, B.P.M. (1989) Australian Systematic Botany 2: 151. Type: B. Hyland 9186: State Forest Reserve 144, 18.xi.1976 (QRS, holotypus).

Common name

Walnut, Blush; Blush Walnut; Mountain Blush Walnut


A thin pale brown layer generally visible beneath the subrhytidome layer before the first section of the outer blaze. Blaze darkens substantially on exposure. Gritty inclusions generally apparent in the outer blaze.


Twigs terete or angular in transverse section, clothed in straight, pale brown, appressed hairs when young but almost glabrous when older. Leaf blades about 5-15 x 1.5-4.5 cm, glaucous on the underside, clothed in straight, pale brown, appressed hairs. Midrib raised or flush with the upper surface. Petioles channelled on the upper surface. Oil dots visible with a lens.


Tepals about 1.1-1.5 mm long. Stamens nine. Staminodes three, each differentiated into a head and filament. Ovary glabrous, +/- sessile.


Fruits about 20-23 x 12-13 mm. Cotyledons cream.


At the tenth leaf stage: leaf blade glaucous on the underside; oil dots small, visible only with a lens. Seed germination time 19 to 53 days.

Distribution and Ecology

Endemic to Queensland, occurs in NEQ and CEQ. Altitudinal range from 350-1200 m. Grows in well developed upland and mountain rain forest on a variety of sites.

Natural History & Notes

Fruit eaten by several species of Fruit Pigeons.

This species produces millable logs but they are seldom harvested as this species is not highly regarded in the timber trade. Wood specific gravity 0.90. Hyland (1989).

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