Exobasidium camelliae

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Exobasidium camelliae symptoms on Camellia japonica, lower leaf side (click on image to enlarge it)
Author(s): Clemson University - USDA Cooperative Extension Slide Series
Source: IPM Images
Exobasidium camelliae symptoms on Camellia sasanqua, upper view (click on image to enlarge it)
Author(s): Chazz Hesselein, Alabama Cooperative Extension System
Source: IPM Images

Exobasidium camelliae Shirai 1896 - (camellia leaf gall)

This fungus infects ornamental Camellia plants in North America, especially Camellia sasanqua. Infected plants develop swollen leaves and branches. The upper surface of the infected leaves appears almost normal, but the lower side becomes whitish and cracks. Airborne basidiospores are released through the cracks.




Publications covering Exobasidium camelliae

Canadian Journal of Botany - Revue Canadienne de Botanique (2007) 85, 76-82
C.W. Mims, R.T. Hanlin and E.A. Richardson (2007)
Light- and electron-microscopic observations of Cladosporium sp. growing on basidia of Exobasidium camelliae var. gracilis