Karrabina biagiana (Synonym: Geissois biagiana) —Northern Brush Mahogany—CUNONIACEAE

Karrabina biagiana

Link to Images on Flickr.

Habitat— Grows in well developed rainforest on a variety of rock types but tends to be more common along creeks and gullies.

Distribution— Endemic to North East Queensland and widely distributed throughout the area. Altitudinal range from 100 to 1100 m.

Description—Large tree with prominent buttresses which gradually fuses with the stem at a considerable distance above the ground.

Local occurrences

Raintrees Diamond Beach

Leaves.—Compound, toothed, oil dots absent, 3—foliolate; leaf blade ±elliptic, 11 to 20 by 4 to 8 cm, apex acuminate, base cuneate, margin serrate, teeth with a few fine apical points; hairy on the upper surface, stipules foliaceous with 3 to 5 radiating veins, margin serrate. Stipules large and conspicuous occurring in pairs and forming a skirt like structure around the twigs. Each stipule 2–lobed. Young leaves bright red.

Karrabina biagiana
Karrabina biagiana

Inflorescence.—Panicles large, about 3 to 4 mm diam. Tepals pubescent on both the inner and outer surfaces. Ovary densely hairy. Stamens about 20 to 25.


Fruit.—Capsules about 10 to 12 mm long, pubescent on the outer surface. Seeds winged at one end.


Karrabina biagiana