Australian Tropical Rainforest Plants - Online edition

Casearia dallachii F.Muell.

Herb (herbaceous or woody, under 1 m tall)
Shrub (woody or herbaceous, 1-6 m tall)
Click/tap on images to enlarge
Flower and buds. © Barry Jago
Flowers and buds. © Barry Jago
Leaves and flowers [not vouchered]. © G. Sankowsky
Leaves and flowers [not vouchered]. © G. Sankowsky
Fruit, side view and dehiscing. © W. T. Cooper
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO

Mueller, F.J.H. von (1865) Fragmenta Phytographiae Australiae 5: 107. Type: Ad sinum Rockinghams Bay, J. Dallachy. Syn: MEL. Fide Jessup, L. W. (1982) Flora Australia 8: 84.

Common name

Silver Birch; Birch, Silver


A small tree not exceeding 30 cm dbh, often flowers and fruits when still at the shrub stage.


Oil dots circular and streaky, usually visible to the naked eye. Leaf blades about 7-12 x 4-6 cm. Reticulate veins +/- at right angles to the midrib. Stipules linear, more than 2 mm long (usually about 4-5 mm).


Perianth lobes about 1.5-2.5 mm. Stamens usually ten, five long and five short, sometimes 12, longer stamens opposite the corolla lobes, staminodes usually ten. Staminal filaments sparsely pubescent.


Fruits about 10-30 mm long.


Cotyledons almost orbicular, about 8-16 mm diam., much wider than the hypocotyl. Oil dots streaky. First pair of leaves toothed. At the tenth leaf stage: margins sparsely toothed, oil dots circular and streaky; stipules triangular, about 2-3 mm long, hairy. Seed germination time 21 to 31 days.

Distribution and Ecology

Endemic to Queensland, occurs in CYP and NEQ. Altitudinal range from near sea level to 1100 m. Grows in well developed rain forest on a variety of sites.

RFK Code
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