蕓薹 （ウンダイ） rape (seed oil plant, Brassica campestris), Chinese colza, yuntai

薹が立つ （とうがたつ） to become hard and fibrous, to go to seed, to have passed one's prime, to have lost the first bloom of one's youth

蕗の薹 （ふきのとう） edible flower bud of the fuki (Petasites japonicus) plant, an early spring delicacy