Australian Tropical Rainforest Plants - Online edition

Manihot glaziovii Mull.Arg.

Shrub (woody or herbaceous, 1-6 m tall)
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Fruit. © ATH
Leaves (lobed and unlobed) and fruit. © ATH
Fruit. © ATH

Mueller, J. von (Aargau) in Martius, C.F.P. von (1874) Flora Brasiliensis 11(2): 446. Type: T: Habitat prope Rio de Janeiro: Glaziou n. 1022, Paulo Barboza.

Common name

Ceara Rubber Tree


Usually a shrub or small tree to 6 m tall but may grow to 20 m. Root tubers absent. Bark silvery grey, flaky. Copious milky exudate flows from cut stems.


Stipules lanceolate, ca. 5 mm long. Leaves bluish-green, petioles often reddish; deeply palmatipartite, 3-5 lobed, the lobes broadly ovate, obovate or obovate-lanceolate, 4-15 cm long, 2-9.5 cm wide; discolorous with underneath paler; tip obtuse to rounded; base attenuate to rounded. Milky exudate flows from cut leaves.


Male flowers: pedicels 7-9 mm long; calyx lobes triangular, 8-9 mm long, ca. 6 mm wide, tube 6-7 mm long. Female flowers: pedicels 8-15 mm long; calyx lobes lanceolate, ca. 12 mm long, 3.5-4 mm wide.


Fruit globose, 18-20 mm long, 18-22 mm diameter. Seeds 3, oboid, 13-15 mm long, 9-12 mm wide.


Features not available.

Distribution and Ecology

Occurs in NEQ, introduced, sometimes cultivated and occasionally naturalised. Altitudinal range in NEQ near sea level. Grows in high rainfall riparian forest and rain forest.

Natural History & Notes

Long cultivated in South America as a source of rubber. Food and other uses are also recorded.

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