What Flower Has Thorns

Roses. When you think of plants with thorns, the rose (Rosa sp.) may be the first to come to mind.

Which plant has thorns answer?

Cacti (Cactaceae, zones 6 to 9), on the other hand, have spines that form instead of leaves. Thorns on plants such as hawthorn (Crataegus, zones 5 to 9) and citrus (Citrus, zones 9 to 11) arise from stem cells in the shoots and form instead of additional branches.

What plants have thorns or spines?

Acacia trees (in the bean family) have spines made of modified leaf stipules. There are also plants whose entire leaves have been converted into spines, as is the case with cacti.