Oldenlandia corymbosa (PROSEA)

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Plant Resources of South-East Asia
Introduction
List of species


Oldenlandia corymbosa L.


Protologue: Sp. pl. 1: 119 (1753).

Synonyms

Hedyotis corymbosa (L.) Lamk (1792).

Vernacular names

  • Malaysia: siku-siku, siku dengan, pokok telur belangkas (Peninsular)
  • Philippines: malaulasiman, ulasiman-aso (Tagalog)
  • Thailand: yaa linnguu (Bangkok)
  • Vietnam: lưỡi rắn, cóc mẳn.

Distribution

Probably native to Africa and India, but now with pantropical distribution; throughout Malesia.

Uses

The leaves are commonly used for poulticing to treat sores and sore eyes. The entire plant is used in decoction as a febrifuge and stomachic. In Indo-China, it is also used as antirheumatic. In India, the plant is a common ingredient in mixtures used internally to treat fever and as a tonic. It is also used to treat jaundice. The roots are reported to have vermifuge properties.

Observations

A prostrate to decumbent, divaricately branched annual herb up to 60 cm long, branches 4-angled; leaves narrowly elliptical to linear-lanceolate, up to 3(-5) cm long; flowers in a (1-)3-8-flowered umbel-like corymb, corolla with spreading lobes, white or pinkish; fruit depressed obovoid or broadly obovoid; seeds obconical to depressed obconical, laterally compressed. O. corymbosa is a weed in fields, roadsides, lawns and gardens, preferably in not to wet, sunny, stony locations, usually up to 800 m altitude, but sometimes up to 1500 m.

Selected sources

97, 202, 279, 537, 921, 1035, 1094, 1178, 1373, 1423.

Authors

N.O. Aguilar & R.H.M.J. Lemmens