Tagetes erecta L., Asteraceae

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Present on Pacific Islands?  yes

Threat only at high elevations?  no

Common name(s): [more details]

Chuukese: peerang

English: African marigold, Aztec marigold, big marigold, French marigold, marigold, saffron marigold

French: tagète rose d'Inde

I-Kiribati: te merikora

Maori (Cook Islands): merīkō, merīkōro, mērīkōro, mērīkōro, mērīkōro

Niuean: melikolu

Spanish: flor de muerto

Habit:  herb

Description:  "Erect, glabrous, aromatic annual, up to c. 60 cm tall.  Stems much-branched or sparingly branched.  Leaves 1-pinnate, shortly petiolate; leaflets in 2-4-(8) pairs, narrow-elliptic to lanceolate, 1-4-(5) cm long, with 2-10-(20) teeth on each side, and scattered, large, sessile glands on both surfaces.  Upper cauline leaves smaller than lower, with fewer, narrower leaflets and fewer leaflet teeth.  Capitula c. 4-6 cm diameter, solitary; peduncles fistular.  Involucre campanulate, (12)-15-20 x (6)-8-18 mm, with 5-7 short teeth at apex; glands long, many, ± evenly distributed above and below.  Ray florets 8-numerous; ligules pale yellow to bright orange, 10-30 mm long.  Disc florets numerous, yellow or orange, or many or all transformed into ligulate florets.  Achenes 3-4-angled, dark brown or black, moderately clothed in short antrorse hairs especially on angles, c. 10-11 x 1-1.3 mm; pappus scales fused toward base, the longest c. 11-12 mm and with minute marginal antrorse hairs"  (Webb et al., 1988; pp. 289-290).

Habitat/ecology:  On Niue, "growing in a semi-adventive state in the villages, but the species is rare." Tagetes patula L. also present (Sykes, 1970; p. 68).

Propagation:  Seed

Native range:  Mexico and Central America (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Cook Islands Southern Cook Islands	‘Atiu Island	introduced cultivated	McCormack, Gerald (2007)
Cook Islands Southern Cook Islands	Ma‘uke Island	introduced cultivated	McCormack, Gerald (2007)
Ecuador (Galápagos Islands) Floreana Group	Floreana Island	introduced cultivated	Charles Darwin Research Station (2005)
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced cultivated	Charles Darwin Research Station (2005)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced cultivated	Charles Darwin Research Station (2005)
Federated States of Micronesia Chuuk Islands	Puluwat (Pwonowót) Atoll	introduced cultivated	Manner, H. I./Mallon, E. (1989) (p. 61) Voucher cited: Manner & Mallon 227 (GUAM)
Federated States of Micronesia Yap Islands	Lamotrek Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Federated States of Micronesia Yap Islands	Ulithi Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Fiji Fiji Islands	Viti Levu Island	introduced cultivated	Smith, Albert C. (1991) (p. 291) Voucher cited: DA 12395
Guam Guam Island	Guam Island	introduced cultivated	Stone, Benjamin C. (1970) (p. 582)
Guam Guam Island	Guam Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Marshall Islands Ralik Chain	Ailinglaplap (Ailinglapalap) Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Marshall Islands Ralik Chain	Kili (Kõle) Atoll	introduced cultivated	Vander Velde, Nancy/Vander Velde, Brian (2006) (p. 6) "Uncommon; planted ornmental around a few houses".
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	introduced cultivated	Whistler, W. A./Steele, O. (1999) (p. 99)
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced cultivated	Vander Velde, Nancy (2003) (p. 72)
Nauru Nauru Island	Nauru Island	introduced cultivated	Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. (1994) (p. 101)
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced invasive cultivated	MacKee, H. S. (1994) (p. 38) Vouchers cited: Baumann 5476, MacKee 46214 Spontané
New Zealand (offshore islands) Kermadec Islands	Raoul Island	introduced invasive	Sykes, W. R. (1977) (p. 97)
New Zealand (offshore islands) Kermadec Islands	Raoul Island	introduced invasive	Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (pp. 289-290) "Persistent discard or casual".
Niue Niue	Niue Island	introduced cultivated	Sykes, W. R. (1970) (p. 68) Voucher cited: CHR 170424 Naturalizes
Niue Niue	Niue Island	introduced invasive cultivated	Yuncker, T. G. (1943) (p. 119) "Occasional as an escape along roadsides".
Palau Palau (main island group)	Koror Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Solomon Islands Solomon Islands	Solomon Islands	introduced cultivated	Hancock, I. R./Henderson, C. P. (1988) (p. 112)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Ecuador (Mainland) Ecuador	Ecuador (Republic of) (continental)		U.S. Dept. Agr., Agr. Res. Serv. (2007)
Guatemala Guatemala	Guatemala (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2007)
Mexico Mexico	Mexico (United Mexican States)	native	U.S. Dept. Agr., Agr. Res. Serv. (2007)
New Zealand New Zealand	New Zealand (country)	introduced invasive cultivated	Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (pp. 289-290) "Persistent discard or casual".
Nicaragua Nicaragua	Nicaragua (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2007)
Panama Panama	Panama (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2007)

Indian Ocean
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia (Indian Ocean offshore islands) Christmas Island Group	Christmas Island	introduced cultivated	Swarbrick, J. T. (1997) (p. 129)

Comments:  Occasional escape from cultivation in New Zealand; commonly naturalised in the Pacific islands (Webb et al., 1988; pp. 289-290). Reported as possibly an invasive plant in the Galápagos Islands per Charles Darwin Research Station.

Additional information:  Additional online information about Tagetes erecta is available from the Hawaiian Ecosystems at Risk project (HEAR).

Taxonomic information about Tagetes erecta may be available from the Germplasm Resources Information Network (GRIN).

References:

Charles Darwin Research Station. 2005. CDRS Herbarium records.

Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce. 1979. A geographical checklist of the Micronesian dicotyledonae. Micronesica 15:1-295.

Hancock, I. R./Henderson, C. P. 1988. Flora of the Solomon Islands. Research Bulletin No. 7. Ministry of Agriculture and Lands, Honiara. 203 pp.

MacKee, H. S. 1994. Catalogue des plantes introduites et cultivées en Nouvelle-Calédonie. Muséum National d'Histoire Naturelle, Paris, 164 p.

Manner, H. I./Mallon, E. 1989. An Annotated list of the vascular plants of Pulawat Atoll. Micronesica 22:23-63.

McCormack, Gerald. 2007. Cook Islands biodiversity and natural heritage. On-line database.

Smith, Albert C. 1991. Flora Vitiensis nova: a new flora of Fiji. National Tropical Botanical Garden, Lawai, Kauai, Hawaii. Volume 5. 626 pp.

Stone, Benjamin C. 1970. The flora of Guam. Micronesica 6:1-659.

Swarbrick, J. T. 1997. Environmental weeds and exotic plants on Christmas Island, Indian Ocean: a report to Parks Australia. 101 pp. plus appendix.

Sykes, W. R. 1970. Contributions to the flora of Niue. New Zealand Department of Scientific and Industrial Research Bulletin 200, Wellington. 321 pp.

Sykes, W. R. 1977. Kermadec Islands flora: an annotated checklist. New Zealand Department of Scientific and Industrial Research Bulletin 219, Wellington. 216 pp.

Thaman, R. R. 1987. Plants of Kiribati: a listing and analysis of vernacular names. Atoll Res. Bull. 296:1-42.

Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. 1994. The flora of Nauru. Smithsonian Institution, Washington. Atoll Research Bulletin 392:1-223.

U.S. Dept. Agr., Agr. Res. Serv. 2007. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

Vander Velde, Nancy. 2003. The vascular plants of Majuro Atoll, Republic of the Marshall Islands. Smithsonian Institution, Atoll Research Bulletin No. 503:1-141.

Vander Velde, Nancy/Vander Velde, Brian. 2006. Plants of Kili Island, Marshall Islands. Unpublished checklist. 12 pp.

Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. 1988. Flora of New Zealand, Volume IV: Naturalised pteridophytes, gymnosperms, dicotyledons. Botany Division, DSIR, Christchurch. 1365 pp.

Whistler, W. A./Steele, O. 1999. Botanical survey of the United States of America Kwajalein Atoll (USAKA) Islands. Prepared for Oak Ridge Institute for Science and Education and the U. S. Army Environmental Center. 111 pp.

Yuncker, T. G. 1943. The flora of Niue Island. Bishop Mus. Bull. 178. Bishop Museum Press, Honolulu. 126 pp.