African marigold's scientific name is \textit{Tagetes erecta}. This tall, upright marigold variety is extensively cultivated for its large, ornamental flowers.
Option (A) Tagetes patula: French marigold, a smaller, bushier type.
Option (B) Tagetes erecta: Correct. Identifies the African marigold.
Option (C) Tagetes minuta: Primarily cultivated for its essential oil, not ornamental flowers.
Option (D) Tagetes tenuifolia: Features small yellow flowers and is less frequently cultivated.