Prickle
Acuelus
Hard, rigid extensions of the cortex and epidermis, present in some plants (such as roses), without vascular tissue (unlike thorns/spines, which are modifications of stems or leaves, thus containing vascular tissue).
Hard, rigid extensions of the cortex and epidermis, present in some plants (such as roses), without vascular tissue (unlike thorns/spines, which are modifications of stems or leaves, thus containing vascular tissue).
Wikidata