The popular name fails. Along a rose cane, each hooked point rises from outer tissue, not from an axillary bud where a branch could begin. That difference matters. A thorn is a modified stem, tied to a node and supplied by vascular bundles. Roses carry prickles.This is no pedantic quarrel. Prickles develop as outgrowths of the epidermis and cortex, without the organized vascular architecture that ...More