Physoderma pluriannulatum
The inducer of this gall is unknown or undescribed.
Family: Physodermataceae | Genus: Physoderma
Hosts: Sanicula crassicaulis / Sanicula spp
Detachable: integral
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Location: petiole, upper leaf, lower leaf
Form: leaf blister
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▲Notes
Urophlyctis pluriannulatus
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.
Observations on Chytridiaceous Parasites of Phanerogams. VIII. Urophlyctis (Physoderma) Pluriannulatus and U. Majus
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Urophlyctis pluriannulatus, an obligation parasite of Sanicula spp. . . . produces small crateriform galls on the petioles and blades of the host leaves . . . [The parasite] produce[s] marked enlargement of infected host cells . . . and cause[s] division of neighboring cells . . . [After] lysis of the surrounding walls . . . a large cavity is formed . . .
”- Frederick K. Sparrow and Yamuna Lingappa: (1960) Observations on Chytridiaceous Parasites of Phanerogams. VIII. Urophlyctis (Physoderma) Pluriannulatus and U. Majus©
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