noun
achene
Botanical term for a small, dry, one-seeded fruit that does not open to release the seed, such as sunflower seeds or strawberry 'seeds'.
ヒマワリの種は痩果の一種です。
Sunflower seeds are a type of achene.
イチゴの表面にある小さな粒は痩果です。
The small specks on the surface of a strawberry are achenes.