Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
See plant hormone.
(Botany) a hormone-like substance produced by a plant
Switch to new thesaurus
|Noun||1.||phytohormone - (botany) a plant product that acts like a hormone|
auxin - a plant hormone that promotes root formation and bud growth
gibberellin - a plant hormone isolated from a fungus; used in promoting plant growth
cytokinin, kinin - any of a class of plant hormones that promote cell division and delay the senescence of leaves
plant product - a product made from plant material