Difference between revisions of "Tagetes erecta"
Sp. Pl. 2: 887. 1753.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae |
Revision as of 21:38, 16 December 2019
Annuals, 10–120+ cm. Leaf blades 30–120(–250+) mm overall, principal lobes/leaflets 9–25, lanceolate to lance-linear, 15–25(–45+) × 3–8(–12+) mm. Heads borne ± singly. Peduncles 30–100(–150+) mm. Involucres 10–22+ × (3–)5–12+ mm. Ray florets (3–)5–8+ (to 100+ in “double” cultivars); laminae yellow to orange, red-brown (sometimes particolored: yellow/red-brown), or white (some cultivars), ± flabellate to oval-quadrate, (2–)12–18(–25+) mm. Disc florets (10–)50–120+; corollas 7–12+ mm. Cypselae 6–11 mm; pappi of 0–2, ± subulate-aristate scales 6–12+ mm plus 2–4 distinct or connate, linear-oblong, ± erose scales 2–6+ mm. 2n = 24, 48.
Phenology: Flowering ± year round.
Habitat: Disturbed sites
Elevation: 0–1000+ m
Distribution
![V21-578-distribution-map.gif](/w/images/1/13/V21-578-distribution-map.gif)
Ala., Ark., Calif., Conn., Fla., Ill., Kans., Ky., La., Md., Mass., Mo., N.Y., N.C., Ohio, Okla., Pa., S.C., Utah, Vt., Va., Wis., Wyo., Mexico.
Discussion
Cultivars of Tagetes erecta are widely grown in gardens and, commercially, for cut flowers. They often persist after abandoned plantings. Tetraploid plants (2n = 48) with smaller involucres and wholly or partially red-brown corollas included here in T. erecta have been called T. patula by some botanists.
Selected References
None.