Hedyotis corymbosa

Oldenlandia corymbosa L., Sp. Pl. 1: 119 (1753).

Oldenlandia corymbosa
Oldenlandia corymbosa L., Photo by Hà Huy Bách 

The native range of this species is Tropical & Subtropical Old World. It is a scrambling annual or subshrub and grows primarly in the seasonally dry tropical biome(s). It is has social uses, as animal food and a medicine and for food.

Vietnamese name: 

Đơn đòng, Lưỡi rắn, Vương thái tô, An điền, Cóc mẩn, Nọc sởi

Latin name: 

Hedyotis corymbosa (L.) Lam. - Oldenlandia corymbosa L.




arthritis, fever, cough, snakebite, neuritis, hepatitis, tracheitis, appendicitis, indigestion (whole plant). The rest are malignant.


In Vietnam: The plant grows naturally on wet wastelands, around villages throughout Vietnam.

Flowering and fruiting season: 

May V-VI; July-October

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