Photo: Steven Smethurst, via iNaturalist, public domain / CC0. Unmodified apart from resizing.
Colour
white, yellow, pink
Region
Singapore and tropical Asia
Season
year-round, summer
Shape
single flower
Flowering through the year Verified record
spring
summer
autumn
winter
The sources give the flowering time by season, not by month.
The field notes for this species (identification, habitat, season and photography advice) are written in Chinese; switch to 中文 to read them. The facts follow the sources below.