பொன்கொரந்தி

Salacia (Salacia oblonga, Family Hippocrateaceae) 

The stem bark is considered useful in treating polyuria, 
diabetes, and excessive thirst.
Ref: http://pharmaceuticals.indiabizclub.com/catalog/458048~salacia+oblonga~tamil+nadu

காட்டுக்கொள்

 Burn-Mouth Vine Rhynchosia aurea (Family Fabaceae)

சீந்தில் கொடி

Tinospora cordifolia, Family: Menispermaceae.Climber- found throughout India. In forest its like a weed and suppress the growth of trees. 

காட்டுச்சாயவேர்

Diamond Flower (Hedyotis corymbosa) Annual herb found along the river side as well as wasteland

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காஞ்சொறி

காஞ்சொறி  Climbing Nettle (Tragia involucrata) is twinning herb coverd with stinging hairs.