Clausena brevistyla—Clausena—RUTACEAE

Clausena brevistyla

Link to Images on Flickr.

Habitat—Grows as an understory tree in well developed rain forest on a variety of sites.

Distribution—Occurs in Cape York Peninsula, North East Queensland and southwards as far as south–eastern Queensland. Altitudinal range from sea level to 800 m. Also occurs in New Guinea.

Description—Shrub (woody or herbaceous, 1 to 6 m tall)

Local occurrences

Raintrees Diamond Beach

Leaves.—Compound, Leaflets and Leaves Alternate, Leaflets more than three, Terminal Leaf usually present, Oil dots obvious. Leaflets 9 to 15, elliptic or lanceolate, 2.5 to 15 cm long, apex usually long–acuminate, base asymmetric, margins entire to crenate, hairless, lateral veins prominent on lower surface. Oil dots distinct, uneven–sized and numerous, strongly aromatic when crushed, petiolules green. Branches with prominent lenticels

Clausena brevistyla
Clausena brevistyla

Inflorescence.—Calyx about 0.5 mm long. Corolla about 3 to 4 mm long. Calyx, corolla and ovary all marked by large conspicuous oil glands. Stamens eight. Ovary lobed, particularly towards the apex. Style short, less than half the length of the ovary. White


Fruit.—A drupe, ±globose to ovid, 5 to 8 mm long, pink with brown dots.


Clausena brevistyla