Phyllanthus polyphyllus (PROSEA)

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Plant Resources of South-East Asia
List of species

Phyllanthus polyphyllus Willd.

Family: Euphorbiaceae

Vernacular names

  • Thailand: sieo yai (Udon Thani).


Southern India, Sri Lanka, north-eastern Thailand.


The bark is used for tanning in India.


A deciduous shrub or small tree up to 12 m, but usually much less, up to 6 m. The twig bark contains 11-16% tannin. Plants from Thailand are regarded as a distinct variety, var. siamensis Airy Shaw. This species is found in the lowlands of Thailand up to 200 m, but in India ascending to 900 m altitude.

Selected sources

1, 2, 12, 24, 32, 45, 46.