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Flora of Australia Online

Jagera pseudorhus (A.Rich.) Radlk., Act. Congr. Bot. Amsterdam 107 (1877), =Sapind. Holl.-Ind. 37 (1879)
Foam Bark Tree, Fern Tree.

Cupania pseudorhus A.Rich., Sert. Astrolab. 34, fig. 14 (1834). T: Hastings River, Port Macquarie, N.S.W., C.Fraser ; n.v.

Cupania setigera A.Cunn. ex Heynh., Nomencl. 1: 239 (1840). T: Moreton Bay, Qld, A.Cunningham ; n.v.

Tree 4–18 m. Young parts usually densely rusty villous; branchlets, leaves and peduncles pubescent or glabrous. Leaf rachis 8.5–18 cm long; leaflets 4–9 pairs, obliquely elliptic or oblong-ovate, usually falcate, acute or acuminate, serrate, serrulate or entire, base oblique, obtuse or acute, 1.5–11 cm long, 0.5–3 cm wide, pellucid-punctate, midrib excentric; petiolule 1–3 mm long; petiole 1.5–12 cm long, subterete, trisulcate at base. Panicles clustered below young leaves, 4.5–25 cm long and nearly as wide. Calyx pubescent to glabrous. Petals shortly clawed, 3 mm long, 2 mm wide, crest slender, thin, or fleshy, clavate. Filaments 2–6 mm long. Fruit obovoid or ellipsoidal, 1.4–2 cm long, 1.2–1.8 cm diam. 

Occurs in eastern Australia and New Guinea. 

Bark used as fish poison by aborigines and as a cleaning foaming agent by natives of New Guinea.

Jagera pseudorhus differs from J. javanica in its smaller, and fewer leaflets and the smaller, few branched inflorescences. There are two varieties.


Leaf margins usually serrate, serrulate or subentire; lateral nerves not impressed above

var. pseudorhus

Leaf margins entire or almost so; lateral nerves usually impressed above

var. integerrima


Data derived from Flora of Australia Volume 25 (1985), a product of ABRS, ©Commonwealth of Australia