Blister-like pustules on underside and yellow ... Blister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Carolina bristlemallow ... George Bush Drive. College Station, Texas, March 13, 2019Yellow-orange sunken spots and blister-like pustules on the upper and underside of Carolina bristlemallow (Modiola caroliniana) leaves are caused by the rust fungus Puccinia modiolae, as seen in a lawn near apartments on George Bush Drive, College Station, Texas, on March 13, 2019. The fungal infection manifests as distinct, sunken lesions on the upper surface of the leaves and raised, pustular growths on the underside, resulting in a characteristic blister-like appearance. – generated by AI The image depicts two leaves of a plant exhibiting symptoms of rust disease caused by the fungus *Puccinia modiolae*. The leaf at the top left and its counterpart to the right are both displayed from the underside. The lower part of each leaf is shown in the bottom center. Both leaves display pustules or "blister-like" eruptions filled with orange spores on their undersides, which are indicative of a rust infection. On the upper surface, the leaves show yellow-orange sunken spots that are also characteristic of this disease. These sunken spots may be difficult to discern at first glance due to their similarity in coloration to the surrounding leaf tissue. The plant in question is identified as *Moldiola caroliniana* (Carolina bristlemallow), a common species found throughout much of North America. The image was captured near apartments on George Bush Drive in College Station, Texas, on March 13, 2019. – AI vision |
Lake Somerville - College ... 2019 |
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