As nouns the difference between glochid and cataphyll

is that glochid is a form of small, detachable, irritant spine occurring in dense clusters in the such as [[wikipedia:opuntia|prickly pear typically glochids are short, straight, and microscopically barbed when stuck into the skin of anyone touching the plant, they detach and remain in the skin when the victim moves away while cataphyll is (botany) a leaf, sometimes abortive, sometimes persistent, that does not develop into a photosynthetic structure, but instead fulfills protective or storage functions examples include cotyledons, bud-scales, glochids, rhizome-scales, and bulb-scales.