Owenia cepiodora— Bog Onion, Onion Cedar—MELIACEAE

Owenia cepiodora

Link to Images on Flickr.

Habitat—In subtropical and dry rainforest.

Distribution— North from Bangalow in New South Wales to McPherson Range in Queensland.; very rare.

Description— Tree up to 30 m high, buds resinous, glabrous; freshly cut bark smells of onions.

Local occurrences


Leaves.— Compound, terminal leaf absent, no oil dots or domatia, clustered at end of branches, imparipinnate, 30 to 60 cm long; leaflets 17 to 25, ± opposite or alternate, narrow–elliptic to narrow–ovate, 7 to 14 cm long, 15 to 35 mm wide, apex acuminate, base asymmetric or cuneate, margins ± entire, glabrous, upper surface glossy, secondary veins numerous and prominent on lower surface; petiole 5 to 10 cm long, petiolules 3 to 10 mm long.

Owenia cepiodora
Owenia cepiodora

Inflorescence.—Panicles 10 to 20 cm long. Petals 3 to 4 mm long, white. Staminal tube c. 2 mm long.


Fruit.—Drupe globose, 15 to 20 cm diam., reddish.