A sharp outgrowth from the epidermis, detachable without tearing the organ;
(In cycads) reduced leaflet towards the base of the rachis with two or more spinose lobes or teeth.
Several layers of the epidermis where the individual cells are connected by cell bridges.
A sharp outgrowth from the epidermis or bark.
Sharp outgrowth of the bark or skin of a plant (compare to “spine” and “thorn”). Typically not as stiff as a thorn or spine.
A weak or rigid outgrowth from bark or epidermis.
A sharp spine arising from the surface of a shoot or leaf.
A small, sharp, spine-like outgrowth emerging from the outer surface.
Sharp outgrowths of the bark, as on a rosebush.
A sharp-pointed projection from a plant stem, leaf or fruit, as found in roses or blackberries. In botany prickles are distinguished from thorns, which are modified branchlets (as in hawthorn), and spines, which are modified leaves or stipules (as in cacti).
Short, angular thorns.