Conopholis americana (
American cancer-root or
squawroot or
bear corn) is a perennial, non-photosynthesizing (or "achlorophyllous") parasitic plant, from the family Orobanchaceae and more recently from the genus
Conopholis but also listed as
Orobanche, native but not endemic to North America and when blooming, resembles a pine cone or cob of corn growing from the roots of mostly oak and beech trees.
(Wikipedia)