Yes Gibyji You are right
It is Clerodendrum thomsonae Balf. f.
The flower show wide range of variation in colour.
--
Prabhu Kumar K M
Scientist
Plant Systematics & Genetic Resources Division
Centre for Medicinal Plants Research (CMPR)
& 'CMPR' Herbarium
Kottakkal Arya Vaidya Sala
Kottakkal, Malappuram