Plumule

имя существительное 1) пёрышко Синоним(ы): plumelet 2) [ботаника] первичная листовая почка

Большой англо-русский словарь

Plumule

noun Etymology: New Latin plumula, from Latin, diminutive of pluma small soft feather — more at fleece 1. the primary bud of a plant embryo usually situated at the apex of the hypocotyl and consisting of leaves and an epicotyl 2. a down feather

Merriam-Webster's Collegiate Dictionary