oak galls branch

navigate by keyword : woody wasps twig triggering trees tree tissue structures plant oak mechanism leaves laying inside growths galls gall form foliage fall eggs dried defense dead caused branch autumn apple abnormal

Two Oak apple galls on a branch Royalty Free Stock Photo

Oak branch with oak galls Royalty Free Stock Photo

Three weathered galls grow on the branch of an oak tree. The round fruits are partially decayed. A dry oak leaf hangs on the Royalty Free Stock Photo

Cluster of yellowish oak galls growing on a branch with green leaves against a bright sky white background Royalty Free Stock Photo

Beautiful red oak`s galls on a branch and green leaves around Royalty Free Stock Photo

Oak leaf galls on vibrant green leaves captured in nature's simple beauty in detailed close-up Royalty Free Stock Photo

Oak galls formed on oak tree branches due to infestation by oak gall wasp in a natural setting during a sunny day Royalty Free Stock Photo

Oak apple galls Royalty Free Stock Photo

oak leaves with fruit in the forest Royalty Free Stock Photo

Three Oak Galls or Apple Galls in Varying Stages of Decomposition Royalty Free Stock Photo

Oak galls on a branch Royalty Free Stock Photo

These are oak apple galls, abnormal growths on oak trees caused by gall wasps laying their eggs inside the tree's tissue, triggering the plant to form these structures as a defense mechanism