3.
Tagetes minuta
Linnaeus, Sp. Pl. 2: 887. 1753.
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.
2
n
= 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.
