Cosmostigma cordatum

Cosmostigma cordatum, or green milkweed, is a species of flowering plant in the family Apocynaceae. It is native to India and Sri Lanka. It is a climbing herb growing in moist deciduous forests.

Description

Cosmostigma cordatum has ovate leaves with rounded or subcordate bases. Flowers are greenish yellow with brown dots.
It is larval host plant of blue tiger and dark blue tiger butterflies.