Coreopsis lanceolata L., Asteraceae

Click on an image for links to BIGGER PICTURES

Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: garden coreopsis, lanceleaf tickseed, tickseed

Hawaiian: ko‘oko‘olau haole

Mangarevan: eie

Habit:  herb

Description:  "Clumped perennial herbs 2-7 dm tall, villous or sometimes glabrous.  Leaves simple, clustered toward base, spatulate to linear or linear-lanceolate, usually 5-20 cm long, 0.5-2 cm wide, with 1-2 pairs of entire-margined lateral lobes or margins entire, the lower ones petiolate, becoming sessile above.  Heads few, on long naked peduncles usually 2-4 dm long; outer involucral bracts lanceolate, 5-10 mm long, margins scarious and ciliate; chaffy bracts attenuate; rays yellow, 1.5-3 cm long; disk corollas yellow, usually 5-lobed; pappus of 2 short scales.  Achenes 2-3 (-4) mm long, margins with thin, flat wings."  (Wagner et al., 1999; pp. 289, 1859).

Habitat/ecology:  In Hawai‘i, "commonly cultivated and now sparingly naturalized" (Wagner et al., 1999; pp. 289, 1859). A weed of agricultural land and wasteland in South Africa and waste areas and roadsides in Queensland, Australia (Csurhes & Edwards, 1998; p. 152).

Propagation:  Wind-dispersed seed and rhizomes (Csurhes & Edwards, 1998; p. 152).

Native range:  Central and southwestern United States (Wagner et al., 1999; p. 289).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
French Polynesia Gambier Islands	Mangareva (Gambier) Island	introduced cultivated	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Cultivée
French Polynesia Gambier Islands	Mangareva (Gambier) Island	introduced cultivated	St. John, Harold (1988) (p. 25) Voucher cited: Fosberg 11045 (BISH)
French Polynesia Society Islands	Tahiti Island	introduced cultivated	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Cultivée
French Polynesia Tuamotu Archipelago	Makatea (Ma‘atea) Island	introduced cultivated	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Cultivée
French Polynesia Austral (Tubuai) Islands	Rurutu Island	introduced cultivated	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Cultivée
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 289) Voucher cited: Fagerlund & Mitchell 506 (BISH) Sparingly naturalized.
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced	Wester, Lyndon (1992) (p. 128)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 289) Sparingly naturalized.
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Meidell, J. Scott/Oppenheimer, H. L./Bartlett, R. T. (1997) (p. 17) West Maui. Voucher cited: Meidell & Oppenheimer 124 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced	Wester, Lyndon (1992) (p. 128)
Palau Palau (main island group)	Koror Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 285)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia Australia (continental)	Queensland	introduced invasive	Csurhes, S./Edwards, R. (1998) (p. 152)
China China	Hong Kong	introduced cultivated	Wu, Te-lin (2001) (p. 279) Ornamental.
Japan Japan	Japan (country)	introduced	Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 190)
New Zealand New Zealand	New Zealand (country)	introduced invasive cultivated	Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 213) "Waste places and sandy areas in and around cemeteries, roadsides".

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

Information about Coreopsis lanceolata as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

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

References:

Csurhes, S./Edwards, R. 1998. Potential environmental weeds in Australia: Candidate species for preventative control. Canberra, Australia. Biodiversity Group, Environment Australia. 208 pp.

Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. 2011. Base de données botaniques Nadeaud de l'Herbier de la Polynésie Française (PAP). (online resource).

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

Meidell, J. Scott/Oppenheimer, H. L./Bartlett, R. T. 1997. New plant records from Pu‘u Kukui watershed and adjacent areas, Maui. In: Evenhuis, Neal L. and Miller, Scott, E., eds. Records of the Hawaii Biological Survey for 1996. Part 2: Notes. Bishop Museum Occasional Papers. 49:17-18.

Mito, Toshikazu/Uesugi, Tetsuro. 2004. Invasive alien species in Japan: the status quo and the new regulation for prevention of their adverse effects. Global Environmental Research 8(2)/2004: 171-191.

St. John, Harold. 1988. Census of the Flora of the Gambier Islands, Polynesia. Pacific Plant Studies 43. Honolulu, Hawaii. 34 pp. [Privately published].

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

U.S. Dept. Agr., Nat. Res. Cons. Serv. 2011. The PLANTS Database. National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. 1999. Manual of the flowering plants of Hawaii. Revised edition. Bernice P. Bishop Museum special publication. University of Hawai‘i Press/Bishop Museum Press, Honolulu. 1919 pp. (two volumes).

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.

Wester, Lyndon. 1992. Origin and distribution of adventive flowering plants in Hawai‘i. In: Stone, Charles P.; Smith, Clifford W. and Tunison, J. Timothy. Alien plant invasions in native ecosystems of Hawaii: Management and Research. University of Hawaii, Cooperative National Park Research Studies Unit, Honolulu. University of Hawaii Press. .

Wu, Te-lin. 2001. Check List of Hong Kong Plants. Hong Kong Herbarium and the South China Institute of Botany. Agriculture, Fisheries and Conservation Department Bulletin 1 (revised). 384 pp.