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Flora of Australia Online



Jagera Blume, Rumphia 3: 155 (1847); named after Dr Herbert de Jager, collector of plants in Indonesia in mid 19th century for botanist G.E.Rumphius

Type: Jagera speciosa Blume, nom. illeg. = Jagera javanica (Blume) Blume ex Kalman

Monoecious or dioecious trees with saponin in bark, leaves and pericarp. Leaves paripinnate; leaflets opposite to alternate, usually serrate, semicoriaceous, usually pellucid-punctate. Inflorescence axillary or ramiflorous, usually panicle-like; cymules stalked. Flowers small, regular. Calyx deeply 5-lobed, lobes ovate. Petals 5, ovate, obovate or suborbicular, clawed; scales 2, broad, crested. Disc complete, glabrous. Stamens 7–10; filaments hairy. Ovary sessile, 3- or 4-locular; ovule 1 per locule; style short. Fruit usually obovoid, 3- or 4-locular, loculicidally dehiscent; valves woody, verrucose, rusty-setose outside, villous inside. Seed obovoid, with small basal cupular aril. 

A genus of four species in Moluccas, New Guinea and Australia; three species in Australia, one endemic. 

The rusty setose hairy fruits and serrate or serrulate margins of leaflets of most species are distinctive.

Since publication of the Flora of Australia the Australian Plant Census recognises a new species, but places J. discolor into synonymy under Cnesmocarpon dasyantha . A new species Jagera dasyantha was also described since the Flora of Australia was published, but the Australian Plant Census also recognises this as a synonym of Cnesmocarpon dasyantha .

K.Domin, Biblioth. Bot. 89: 352 (1927); L.A.T.Radlkofer, Pflanzenr. 98: 1238–1243 (1933); S.T.Reynolds, Austrobaileya 1: 406–412 (1981).

1 Leaflets 3 or 4 pairs, rarely 6, discolorous, whitish below, entire


1: Leaflets 4–13 pairs, not whitish below, serrate, serrulate or entire


2 Leaf rachis 25–39 cm long; leaflets usually 10–13 pairs, 6–17.5 cm long, 2–5 cm wide; inflorescence 22–36 cm long, much-branched, densely flowered


2: Leaf rachis 8.5–18 cm long; leaflets usually 4–9 pairs, 1.5–11.5 cm long, 0.5–3 cm wide; inflorescence 4.5–25 cm long, openly branched or unbranched, openly flowered


3 Published since the Flora of Australia treatment



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