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. Flowering Sep-Oct. Disturbed sites; 0-100+ m; introduced; Ala., Calif., Conn., Fla., Ga., Md., Mass., N.C., Pa., S.C., Va.; South America. Tagetes minuta is widely cultivated for use as a condiment and has become widely established or persists after plantings.
FNA 2006, Wiggins 1964, Kearney and Peebles 1969
Duration: Annual Nativity: Non-Native Lifeform: Forb/Herb General: Introduced exotic annual 2-10 dm tall, erect, glabrous. Leaves: Leaflets serrate or dentate, pinnately divided, dotted with embedded with oil glands. Flowers: In terminal cymes, peduncles 5-5.5 mm, slender, involucre 7-10 mm, narrowly cylindric, phyllaries 3-5, not splitting apart; ray flowers 1-3, corollas pale yellow, ligules 1-2 mm, inconspicuous; disk flowers 3-5, corollas yellow 3-4 mm. Fruits: Cylindric cypselae 4.5-7 mm, pappus of 1-2 acuminate scales, 2-3 mm, and 3-5 ovate to lanceolate scales. Ecology: Found in disturbed places below 3,500 ft (1067 m); flowers throughout year. Notes: This is considered invasive in Arizona, still uncertain as to its distribution. Ethnobotany: Unknown Etymology: Tagetes is named after the Etruscan god Tages, while minuta means very small, minute. Synonyms: Tagetes bonariensis, Tagetes glandulifera, Tagetes glandulosa, Tagetes porophylla Editor: SBuckley, 2010
Strong-smelling annual 3-10 dm; lvs pinnately compound; lfls 9-17, lance- linear, 1.5-6 cm, sharply serrate; heads numerous, tending to form flat-topped clusters; invol narrowly cylindric, 8-12 mm, with 3-5 short teeth, few-fld, the rays commonly 3, only 1-2 mm; achenes 5-6 mm; longer pappus-scales 2-3 mm, the others less than 1 mm; 2n=48. Native of S. Amer., now ±established as a weed in disturbed sites n. to Va. and rarely beyond. Aug.-Oct.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.