Huitlacoche (Corn Smut)
Ustilago maydis
Family: Ustilaginaceae
Also called: Huitlacoche, Cuitlacoche, Mexican Truffle, Corn Smut
Overview
Grey-black gall fungus that infects developing corn kernels — a feared crop disease in the US but a celebrated delicacy in Mexico ('huitlacoche'). Picked at the swollen but still-soft stage in late summer cornfields, sautéed with onion and epazote, used in quesadillas and tamales. Pure umami.
Edibility
Edible
Rarity
common
Trophic mode
parasitic-saprotrophic
Typical peak
Aug–Sep
Season
Jul–Oct (milpa season) — typical fruiting months: Jun, Jul, Aug, Sep.
Host trees & substrate
- Living developing corn (Zea mays) ears
Where it grows
See live fruiting predictions for Huitlacoche (Corn Smut) on the forecast home page, or browse the full field guide.
Always confirm wild-mushroom identification with multiple sources and a knowledgeable local expert before consuming. Read the foraging safety guide.