Ailanthus triphysa—White Bean, White Siris—SIMAROUBACEAE

Link to Images on Flickr.

Habitat— In Dry, Littoral and Subtropical Rainforest, not common

Distribution— North from Iluka in New South wales and into Queensland.

Description—Tree to about 30 m high, evergreen

Local occurrences

Raintrees Diamond Beach and Iluka NSW

Leaves.— Compound, alternate,crowded at end of branches, imparipinnate, 15 to 45 cm long; leaflets numerous 15 to 61, mostly oblong–lanceolate to lanceolate, often falcate, 3 to 10 cm long, 10 to 20 mm wide, apex acuminate, base strongly asymmetric, margins entire, both surfaces glabrous or lower surface pubescent; petiole 4 to 8 cm long; petiolules 2 to 5 mm long.

Inflorescence.—Panicles 5 to 7 cm long. Calyx lobes < 1 mm long. Petals 2.5 to 5 mm long, creamish green, ± glabrous. Stamens 3 to 6 mm long in male flowers. Carpels 2 to 4; styles fused or free at base.


Fruit.—Samara mostly 4.5 to 6 cm long, 15 to 20 cm wide, brownish.