Definition from Wiktionary, the free dictionary
colletor (plural colletors)
- (botany) A multicellular trichome of a leaf or bud scale that produces a sticky secretion. In other words, a group or tuft of mucilaginous secretory hairs, usually found near the base of the leaf lamina and on the calyx.
- Colleters are found in members of the Apocynaceae and Asclepiadaceae families.
- A Text-book of Botany By Eduard Strasburger. Macmillan:1898, p. 98 (picture)