Tabernaemontana corymbosa
Tabernaemontana corymbosa is a species of plant in the family Apocynaceae.It is native to Brunei, China, Indonesia, Laos, Malaysia, Myanmar, Singapore, Thailand, and Vietnam.Glossy green leaves and faintly sweet scented flower.Likes full sun to part shade.Alkaloids such as conodusine A-E, conolodinines A-D, conophylline, conophyllinine and taberyunines A-I are present in which many shows antiproliferative and cytotoxic actions.