Botanical Overview
Merrill flowers (Telosma cordata) belongs to the Asclepiadaceae family. While not among the most extensively documented medicinal plants, this species has recorded uses that warrant attention from researchers and practitioners. This species belongs to the Asclepiadaceae family, a group of flowering plants.

General Description
It is cultivated elsewhere and may occur wild as an introduced species. Common names include Chinese violet, cowslip creeper, Pakalana vine, Tonkin jasmine and Tonkinese creeper. The plant bears clusters of golden yellow blooms along the vining stems during summer months. Individual blooms emerge successively over a period of weeks emitting a rich, heavy fragrance during the day and night.
Family Context
The Asclepiadaceae family is widely distributed. Notable medicinal members include:
- Milkweed — 27 documented uses
- Gymnema — 15 documented uses
- Indian Sarsaparilla — 15 documented uses
- Swallowwort — 14 documented uses
Active Compounds
Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).
The identified compounds include the following categories:
- Alkaloid: nitrogenous compounds with diverse pharmacological activities