A) Euphorbia and Zizyphus
B) Citrus and Euphorbia
C) Zizyphus and Bougainvillea
D) Bougainvillea and Citrus
Correct Answer: A
Solution :
In Euphorbia of family-Euphorbiaceae and Zizyphus of family-Rhamnaceae, the stipules are modified into spines.You need to login to perform this action.
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