Sori in the leaves (sometimes extending into the bulb scales) as greyish blister-like, amphigenous swellings parallel with the veins, 0.5-1 mm wide, 2-10 mm or more long, often confluent to form larger swellings (in which portions of host vascular tissue usually remain), while young, covered by the host epidermis, which later ruptures to expose the spore mass.[1]
Notice: The data in the table above is semi-automatically extracted from the description. Please be sure to check the original documents for accurate information.