Dear friends,
Please help me identify this Curcuma species. 
Best wishes
Prejith Sampath 
Location: Northern and Southern borders of the Palakkad gap, Kerala
Habitat: Rubber plantations - shade to filtered sunlight
Altitude: 80 - 200 msl
Rhizome: small, odourless, not branching. 
Inflorescence: Most were 2-3 inches and highly variable in colour of coma bracts. Flower did not show much variation. 
Plant: Some had leaves close to the ground, others had longer petioles. Leaves were broadly oval.