Tagetes minuta is a tall upright marigold plant from the genus Tagetes, with small flowers, native to the southern half of South America.<ref name=GRIN>Template:GRIN</ref> Since Spanish colonization, it has been introduced around the world, and has become naturalized in Europe, Asia, Australasia, North America, and Africa.<ref name=GRIN/> Tagetes minuta has numerous local names that vary by region, most commonly found in the literature as chinchilla, chiquilla, chilca, zuico, suico, or anisillo.<ref name="Soule, J.A 1993. p. 649-654">Soule, J.A. 1993. Tagetes minuta: A potential new herb from South America. p. 649-654. In: J. Janick and J.E. Simon (eds.), New crops. Wiley, New York.</ref> Other names include muster John Henry,<ref>Template:PLANTS</ref> Southern Cone marigold, Khakibos,<ref name=BSBI07>Template:Cite web</ref> stinking roger,<ref name="names">California Dept. of Food and Agriculture data sheet: Tagetes minuta</ref> wild marigold,<ref name=GRIN/> and black mint.
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<ref>Diccionario Quechua - Español - Quechua, Academía Mayor de la Lengua Quechua, Gobierno Regional Cusco, Cusco 2005 (Quechua-Spanish dictionary)</ref> or wakataya in Bolivia.<ref>Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary)</ref> It is commonly sold in Latin grocery stores in a bottled, paste format as black mint paste.
This species of marigold may grow to become from 0.6–2 meters tall.<ref name="Soule, J.A 1993. p. 649-654"/>
Tagetes minuta has been eaten in various forms since pre-contact times.<ref name="Soule, J.A 1993. p. 649-654"/> Dried leaves may be used as a seasoning and huacatay paste is used to make the popular Peruvian potato dish called ocopa. An herbal tea can be brewed from the leaves. An extraction of the plant, "Marigold oil", is used in the perfume, tobacco, and soft drink industry.<ref name="Soule, J.A 1993. p. 649-654"/>
In addition to food, the plant can be used to produce dye<ref>Template:Cite news</ref> and as a green manure crop for biomass and a bio-fumigant for control of selected species of nematodes.
The oils contained in the oil glands that are found throughout the above ground portions of the plant may cause irritation to the skin and in some cases are said to cause photodermatitis.<ref name="Soule, J.A 1993. p. 649-654"/>