In Cacti the spines are modification of :-

In opuntia the spines are modification of

In Opuntia, the spines are modifications of

In Opunita, spines are modification of

In Opunita, spines are modification of

In Opuntia, spines are modification of

In Opunita, spines are modification of

In Bougainvillea and Citrus thorns are the modification of …………(i)……..and in cactus spines are a modification of ………..(ii)……….

In Bougainvillea and Citrus thorns are the modification of …………(i)……..and in cactus spines are a modification of ………..(ii)……….