noun
Elaeagnus multiflora var. hortensis; variety of goumi
A specific variety of goumi (Elaeagnus multiflora), a deciduous shrub with edible red berries. Botanical term; in everyday contexts, often just called グミ.
See also: 茱萸
タワラグミはグミの栽培品種の一つです。
Tawara-gumi is one of the cultivated varieties of goumi.
庭にタワラグミを植えています。
I have planted a Tawara-gumi in my garden.
グミ (茱萸) is the general term for Elaeagnus plants, especially E. multiflora. タワラグミ is a specific variety.
The name likely derives from 俵 (たわら, straw bag) and 茱萸 (ぐみ, goumi), possibly referring to the shape of the fruit or the plant's use. The exact origin is uncertain.