Sport (botany)
（重定向自Bud sport）
![Foliage of a dwarf Alberta spruce (Picea glauca var. albertiana 'Conica'), with a branch showing reversion to the normal Alberta white spruce growth habit of larger leaves and longer internodes.](/Images/godic/202501/02/Dwarf_Albert_Spruce_foliage_with_reversion0604.jpg")
In botany, a sport or bud sport, traditionally called lusus, is a part of a plant (usually a woody plant, but sometimes a herb) that shows morphological differences from the rest of the plant. Sports may differ by foliage shape or color, flowers, or branch structure.