Flacourtia inermis (PROSEA)

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Plant Resources of South-East Asia
List of species

Flacourtia inermis Roxb.

Family: Flacourtiaceae

Vernacular names

  • Governor plum (En)
  • Indonesia: lobi-lobi, tomi-tomi
  • Malaysia: rukam masam, lovi-lovi
  • Thailand: takhop-thai (central).


Only known in a cultivated or semi-cultivated state, widespread from India through Malesia to New Britain.


The fruits are eaten raw but are often acid or astringent; they are excellent for making jams, syrup and preserves.


  • Unarmed tree, up to 15 m tall, trunk up to 35 cm diameter.
  • Leaves ovate-oblong to ovate-elliptic, 8-20 cm × 4-12 cm.
  • Fruit a globose berry, 2-2.5 cm in diameter, pink to red.

Cultivated as a fruit tree up to 1300 m altitude, also on sandy soils. Some varieties have been distinguished, based on differences in leaves. Propagation is by seed or air layering or budding; yield varies from 40-100 kg fruit per tree per year. In Java the tree flowers in January-February and fruit ripens after 4-5 months.

Selected sources

  • Morton, J.F., 1987. Fruits of warm climates. Creative Resource Systems Inc., Winterville, N.C., USA. 503 pp.
  • van Steenis, C.G.G.J. et al. (Editors), 1950-. Flora Malesiana. Series 1. Vol. 1, 4-10. Centre for Research and Development in Biology, Bogor, Indonesia, and Rijksherbarium, Leiden, the Netherlands. Kluwer Academic Publishers, Dordrecht, Boston, London.


P.C.M. Jansen, J. Jukema, L.P.A. Oyen, T.G. van Lingen