the edible sprangia of ustialago

agriculture blossom branch cob cobs corn cuitlacoche delicacy dense edible feeding flower food fresh fruit fungus gray green herb huitlacoche leaf maydis mays mexican nature petal phytosanitary plant produce scorch shrub silver silver-grey smut smuts specialized sporangia sporangium spores sprangia stages tree truffle ustialago ustilago vegetable wildflower yellow young zea