fatuoid

\\ˈfachəˌwȯid\ noun (-s)

Etymology: New Latin fatua (specific epithet of Avena fatua, from Latin, feminine of fatuus) + English -oid

: an aberrant form arising in cultivated oats that is believed to be a mutation and that resembles both the parent variety and the wild oat (Avena fatua) — called also false wild oats