Tagetes minuta, also known as southern cone marigold, stinking roger or black mint, is a tall upright marigold plant from the genusTagetes, with small flowers, native to the southern half of South America. Since Spanish colonization, it has been introduced around the world, and has become naturalized in Europe, Asia, Australasia, North America, and Africa.
It is used as a culinary herb in Peru, Ecuador, and parts of Chile and Bolivia. It is called by the Quechua terms wakatay in Peru or wakataya in Bolivia. It is commonly sold in Latin grocery stores in a bottled, paste format as black mint paste.
Annuals, 30–100(–180+) cm. Leaf blades 80–150+ mm overall, lobes or leaflets 9–17+, narrowly lanceolate to lance-linear, 12–25(–50+) × (2–)4–7+ mm. Heads in ± corymbiform clusters. Peduncles 1–5+ mm. Involucres 7–10+ × 1.5–3 mm. Ray florets 1–3; laminae yellow, ± ovate to elliptic, 1–2 mm. Disc florets 3–5; corollas 3–4 mm. Cypselae (4.5–)6–7+ mm; pappi of 1–2 ± subulate scales 2–3+ mm plus 3–5 distinct, ovate to lanceolate scales 0.5–1 mm. 2n = 48.