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
edible flower bud of the fuki (Petasites japonicus) plant, an early spring delicacy
rape (seed oil plant, Brassica campestris); Chinese colza; yuntai
rape (seed oil plant, Brassica campestris); Chinese colza; yuntai