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(Upload on June 29 2026) [ 日本語 | English ]

Ipomoea L. (サツマイモ) Satsumaimo (サツマイモ, 薩摩芋), sweet potato or sweetpotato Life form: perennial vine, with tuberous roots Distribution: native to tropical regions of South America (Ecuador) 5000 ya: cultivated between Yucatán Peninsula and the mouth of the Orinoco River widespread nowadays due to cultivation Habitat: the edges of dry forests and woodlands, sometimes on disturbed areas intolerant to frost

Leaf: variable, in shape, ranging from entire and rounded to deeply lobed Use: root vegetable (many cultivars) and greens Synonyms: Ipomoea batatas (L.) Lam. var. edulis (Thunb.) Kuntze, discarded

Ipomoea batatas in Japan

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[1-3] at a roadside vacant lot near the Fukuoka Red Brick Culture Center, Fukuoka, on September 19 2025.