The photograph presents a close-up view of three May apple (Podophyllum peltatum) leaves on the ground, with their broad and lobed surfaces adorned with bright-green coloration. Notably, each leaf exhibits small yellow spots scattered across its surface.
These yellow spots are actually teleutosori, or spore sacs, of the mayapple rust fungus Allodus podophylli (Puccinia podophylli). The fungus is parasitic and relies on the May apple plant for sustenance. It grows within the leaves as a biotrophic parasite, utilizing its host's resources to produce spores.
The image was captured in Sam Houston National Forest, Texas, USA. Although the specific location is not specified, the photo was taken near Caney Creek Trail (Little Lake Creek Loop Trail) on March 23, 2020. The photograph showcases the unique interaction between the fungus and its host plant. – AI vision
Las hojas de la manzana de mayo (Podophyllum peltatum) con manchas amarillas causadas por teleutosori del hongo roya de manzana Allodus podophylli (Puccinia podophylli) en el sendero Caney Creek (Sendero Little Lake Creek Loop) en la Sam Houston National Forest al norte de Montgomery. Texas, 23 de marzo de 2020. La fotografía presenta una vista de cerca de tres hojas de manzana de mayo (Podophyllum peltatum) en el suelo, con sus superficies anchas y lobuladas adornadas con una coloración verde brillante. Notablemente, cada hoja exhibe pequeñas manchas amarillas dispersas por toda su superficie. Estas manchas amarillas son en realidad teleutosori, o sacos de esporas, del hongo roya de manzana Allodus podophylli (Puccinia podophylli). El hongo es parásito y se sustenta de la planta manzana de mayo. Crea el crecimiento dentro de las hojas como un parásito biotrófico, utilizando los recursos de su anfitrión para producir esporas. La imagen fue capturada en Sam Houston National Forest, Texas, EE. UU. Aunque no se especifica la ubicación específica, la foto fue tomada cerca del sendero Caney Creek (Sendero Little Lake Creek Loop) el 23 de marzo de 2020. La fotografía muestra la interacción única entre el hongo y su planta anfitriona. – Spanish translation
Similar(1): Leaves of May apple (Podophyllum peltatum) with yellow spots caused by ... north from Montgomery. Texas, April 23, 2022
Similar(2): Leaves of May apple (mandrake, Podophyllum peltatum) with yellow spots ... Forest, near Huntsville. Texas, May 5, 2018
Similar(3): May apple (mandrake, Podophyllum peltatum) with yellow spots caused by ... Forest near Huntsville. Texas, March 30, 2019
Similar(4): Yellow spots on a leaf of May apple (Podophyllum peltatum) caused by ... north from Montgomery. Texas, April 10, 2021
Similar(5): May apple leaf with yellow spots caused by teleutosori of mayapple ... Forest north from Montgomery. Texas, April 6, 2024
Similar(6): Underside of a leaf of May apple (Podophyllum peltatum) with brown ... north from Montgomery. Texas, April 10, 2021
Similar(7): Vein-bordered yellow areas on the leaf of May apple (mandrake ... Forest, near Huntsville. Texas, May 5, 2018
Similar(8): Aecia of mayapple rust fungus Allodus podophylli (Puccinia podophylli ... Forest north from Montgomery. Texas, March 4, 2023