Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Gallformers ID Notes
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Succulent, cylindrical galls on Euphorbia polycarpa. Each gall consists of a tubular outgrowth of the bud, which internally is succulent. Known only from Arizona.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value e-polycarpa-tubular-gall on iNaturalist. You can view them here: