Definition that contains atkins
- poplar any of numerous trees of north temperate regions having light soft wood and flowers borne in catkins
- sallow any of several Old World shrubby broad-leaved willows having large catkins; some are important sources for tanbark and charcoal
- salix caprea much-branched Old World willow having large catkins and relatively large broad leaves
- willow family two genera of trees or shrubs having hairy catkins: Salix; Populus
- lemon sumac sweet-scented sumac of eastern America having ternate leaves and yellowish-green flowers in spikes resembling catkins followed by red hairy fruits
- common alder medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath
- amentiferous (of plants) bearing or characterized by aments or catkins
- pussy willow much-branched Old World willow having large catkins and relatively large broad leaves
- fragrant sumac sweet-scented sumac of eastern America having ternate leaves and yellowish-green flowers in spikes resembling catkins followed by red hairy fruits
- hamamelid dicot family family of mostly woody dicotyledonous flowering plants with flowers often unisexual and often borne in catkins