Gouty Oak Tree Gall In The Forest. A 12 Inch Diameter Oak Gall. Galls Are Irregular Plant Growths Which Are Stimulated By The Reaction Between Plant Hormones And Powerful Growth Regulating Chemicals Produced By Some Insects Or Mites. Galls May Occur On Leaves, Bark, Flowers, Buds, Acorns, Or Roots. The Inhabitant Gains Its Nutrients From The Inner Gall Tissue.

KEYWORDS

asymmetric autumn background bark colors deciduous dendrology eastern fall forest gall gouty growths inhabitant irregular leaves nature oak parasite parasitic plant quercus scene tree ugly unusual velutina woodland