Odontonema cuspidatum (Nees) Kuntze, Acanthaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 7 (Go to the risk assessment)

Other Latin names:  Odontonema strictum hort.; Thyrsacanthus cuspidatus Nees

Common name(s): [more details]

English: cardinal flower, fire spike, mottled toothedthread, odontonema, red justicia

Spanish: lava botellas

Habit:  shrub

Description:  "Habit shrubby, 1-1.5 m tall, leaves short-petiolate, the blade ovate-elliptic, 9-15 x 3.5-9.7 cm, sparsely hirtellous beneath on veins and costa; inflorescence terminal, a 3-5-branched thyrsoid panicle, the partial inflorescences racemiform, 10-22 cm long, flowers in cymules of 3-5, on hirtellous pedicels 2.5-3 mm long, calyx red, the lobes 5, triangular-ovate, 1-1.5 mm long; corolla bright red, salverform, slightly zygomorphic, the tube 25-28 mm long, 3 mm wide distally, glabrous without, lobes 5, oblong, 4-5 x 2-3 mm, glabrous without, glandular puberulent within, the margins ciliolate; capsule clavate, glabrous, 10 x 3 mm"  (Lorence et al., 1995; p. 20).

See also Odontonema tubaeforme.

Habitat/ecology:  "Tolerant of a wide array of environmental conditions (except for salt exposure), fire-spike grows in cool, moist valleys as well as drier sunny lowlands"  (Staples & Herbst, 2005; p. 88).

Propagation:  Primarily vegetatively, but occasionally by seed.  Specimens with mature fruit were collected by Lorence on Kaua‘i, Hawai‘i (Lorence et al., 1995; p. 20).

Native range:  Mexico (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Ecuador (Galápagos Islands) Isabela Group	Isabela Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Sierra Negra, Isabela Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 167)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive cultivated	Staples, George W./Imada, Clyde T./Herbst, Derral R. (2002) (p. 4) Vouchers cited: L.W. Cuddihy (ESP) 93 (BISH), D. Mueller-Dombois s.n. (BISH 573852), S. Ishikawa 208 (BISH), L.W. Cuddigy 2073 (BISH)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 167, 1856)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Lorence, David H./Flynn, Timothy W./Wagner, Warren L. (1995) (p. 20) Vouchers cited: T. Flynn 1859 (BISH, PTBG), D. Lorence 7442 (PTBG)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Oppenheimer, Hank L./Bartlett, Randal T. (2002) (p. 2) East Maui. Vouchers cited: Flynn & Sidler 2577 (BISH), Oppenheimer H119920 (BISH), Oppenheimer H119923 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 167)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive cultivated	Frohlich, Danielle/Lau, Alex (2007) (p. 9) Voucher cited: D. Frohlich, A. Lau, F. & K. Starr 0608102 (BISH)
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced cultivated	Vander Velde, Nancy (2003) (p. 59) "Potted plant in a few household gardens".

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Mexico Mexico	Mexico (United Mexican States)	native	U.S. Dept. Agr., Agr. Res. Serv. (2009)

Also reported from
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
United States (continental except west coast and Florida) United States (other states)	USA (Florida)	introduced	U.S. Dept. Agr., Nat. Res. Cons. Serv. (2009)

Additional information:
Fact sheet from the International Institute of Tropical Forestry (PDF).

Additional online information about Odontonema cuspidatum is available from the Hawaiian Ecosystems at Risk project (HEAR).

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

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

Other Latin names:  Odontonema strictum hort.; Thyrsacanthus cuspidatus Nees

References:

Charles Darwin Foundation. 2008. Database inventory of introduced plant species in the rural and urban zones of Galapagos. Charles Darwin Foundation, Galapagos, Ecuador.

Frohlich, Danielle/Lau, Alex. 2007. New plant records from O‘ahu for 2006. In: Evenhuis, Neal L. and Eldredge, Lucias G., eds. Records of the Hawaii Biological Survey for 2006. Part 2: Notes. Bishop Museum Occasional Papers 96:8-13.

Lorence, David H./Flynn, Timothy W./Wagner, Warren L. 1995. Contributions to the flora of Hawai‘i. III. New additions, range extensions, and rediscoveries of flowering plants. In: Evenhuis, Neal L. and Miller, Scott, E., eds. Records of the Hawaii Biological Survey for 1994. Part 1: Articles. Bishop Museum Occasional Papers. 41:19-58.

Oppenheimer, Hank L./Bartlett, Randal T. 2002. New plant records from the main Hawaiian Islands. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2000. Part 2: Notes. Bishop Museum Occasional Papers. 69:1-14.

Staples, George W./Imada, Clyde T./Herbst, Derral R. 2002. New Hawaiian plant records for 2000. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2000. Part 1: Articles. Bishop Museum Occasional Papers. 68:3-18.

U. S. Government. 2009. Integrated Taxonomic Information System (ITIS) (on-line resource).

U.S. Dept. Agr., Agr. Res. Serv. 2009. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

U.S. Dept. Agr., Nat. Res. Cons. Serv. 2009. The PLANTS Database. National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

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

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).