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The 3 that I know of are Saraca cauliflora (formerly S. thaipingensis) with yellow flowers, S. indica with red flowers and S. declinata with intermediate coloured flowers.
It is not difficult for one to appreciate the cluster of Ixora-like flowers with long stamens. For this S. declinata, the light orange flowers turn into an attractive pinkish orange tone over time.
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