Cassia species- Tree 2 yrs since plantation

 
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/wp-content/uploads/2020/10/Cassia%202.JPG

ID14062013MSC1 : Attachments (3).  4 posts by 2 authors.

Pls help identify this Cassia spp..
Tree 2 yrs since plantation. First time flowering – reddish pink colour.

looks like cassia grandis

Thanks for the id..
I am really confused between C. grandis, C. renigera & C. roxburghii.
They all look the same for a non-botanist like me..