Allamanda blanchetii A.DC., Apocynaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 6 (Go to the risk assessment)

Common name(s): [more details]

English: purple allamanda

Habit:  shrub

Description:  "Shrub or scrambler 6-15 feet high, suckering from roots; branchlets pubescent.  Leaves in whorls of 3-5, sessile; blades narrowly elliptic, 1.75-4.5 x 0.7-2.2 inches, pubescent above, underside pilose, especially on main veins.  Flower sepals narrowly elliptic, 0.65-0.8 x 0.25-0.4 inches; corolla broadly funnel-shaped, 2.5-3.5 inches long, limb 2-2.5 inches in diameter, mauve"  (Staples & Herbst, 2005; p. 118).

"Erect or weakly climbing.  Young branchlets fairy.  Leaves 8-12 cm, in whorls of usually 4, oblong or obovate-oblong, abruptly acuminate, down above, more densely so beneath.  Calyx pubescent, corolla 6-9 cm long x 5-6 cm across at limb, rose-purple, darker in throat, tube not basally swollen"  (Huxley, 1992; vol. 1, p. 107).

"Differs from Allamanda cathartica in being less scandent with hirsute stems and purple-mauve flowers"  (Howard, 1989;  p. 100).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  Brazil (Staples & Herbst, 2005; p. 118).

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	Mangaia Island	introduced cultivated	McCormack, Gerald (2011)
Fiji Fiji Islands	Vanua Levu Island	introduced cultivated	Smith, Albert C. (1988) (p. 102) As Allamanda violacea Gardner, synonym Allamanda blanchetii
Fiji Fiji Islands	Viti Levu Island	introduced cultivated	Smith, Albert C. (1988) (p. 102) As Allamanda violacea Gardner, synonym Allamanda blanchetii
French Polynesia Marquesas Islands	Fatu Hiva Island	introduced cultivated	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Hiva Oa Island	introduced cultivated	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Ua Huka (Huahuna, Uahuka) Island	introduced cultivated	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Ua Pou (Huapu, Uapou, Uapu) Island	introduced cultivated	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Society Islands	Tahiti Island	introduced cultivated	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 2795 (PAP). "Ornementale assez rare à Tahiti". Cultivée
French Polynesia Austral (Tubuai) Islands	Rapa Island	introduced cultivated	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Cultivée
Guam Guam Island	Guam Island	introduced	Raulerson, L. (2006) (p. 55) As Allamanda violacea Gardner & Fielding, a similar species.
State of Hawaii Hawaiian Islands	Hawaiian Islands	introduced cultivated	Staples, George W./Herbst, Derral R. (2005) (p. 118)
State of Hawaii Hawaiian Islands	O‘ahu Island		Bishop Museum (U.S.A. Hawaii. Honolulu.) (1911) (voucher ID: BISH 23569) Taxon name on voucher: Allamanda blanchetii A.DC.
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced cultivated	Vander Velde, Nancy (2003) (p. 64) "Planted ornamental climbing shrub"
Marshall Islands Ratak Chain	Mili (Mile) Atoll	introduced cultivated	Vander Velde, Nancy/Vander Velde, Brian (2010) (p. A9) Rare; decorative in private garden, not in good health. Part way down runway, Mili.
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced cultivated	MacKee, H. S. (1994) (p. 15) As Allamanda violacea C. Gardner & Fielding, a synonymous or similar species. Voucher cited: MacKee 45800
Palau Palau (main island group)	Palau Islands (main island group)		Lorence, David H./Flynn, Tim (2010) (p. 20)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Singapore Singapore	Singapore (Republic of)	introduced cultivated	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 12) Cultivated only

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

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

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

References:

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1911. Voucher specimen #BISH23569(Rock, J.F.C. 2569).

Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. 2009. A checklist of the total vascular plant flora of Singapore: native, naturalised and cultivated species. Raffles Museum of Biodiversity Research, National University of Singapore. 273 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).

Howard, Richard A. 1989. Flora of the Lesser Antilles: Leeward and Windward Islands. Vol. 6 Dicotyledoneae-Part 3 Arnold Arboretum, Harvard University. 658 pp.

Huxley, Anthony, ed. in chief. 1992. The new Royal Horticultural Society dictionary of gardening. The Macmillan Press Limited. 4 volumes.

Lorence, David H./Flynn, Tim. 2010. Checklist of the plants of Palau. Unpublished checklist. National Tropical Botanical Garden, Lawai, Hawai‘i. 44 pp.

Lorence, David H./Wagner, Warren L. 2008. Flora of the Marquesas Islands. National Tropical Botanical Garden and the Smithsonian Institution. Online database.

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

McCormack, Gerald. 2011. Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga.

Raulerson, L. 2006. Checklist of Plants of the Mariana Islands. University of Guam Herbarium Contribution 37:1-69. .

Smith, Albert C. 1988. Flora Vitiensis nova: a new flora of Fiji. National Tropical Botanical Garden, Lawai, Kauai, Hawaii. Volume 4. 377 pp.

Staples, George W./Herbst, Derral R. 2005. A tropical garden flora: plants cultivated in the Hawaiian Islands and other tropical places. Bishop Museum Press, Honolulu. 908 pp.

Staples, George W./Herbst, Derral/Imada, Clyde T. 2000. Survey of invasive or potentially invasive cultivated plants in Hawai‘i. Bishop Museum Occasional Papers No. 65. 35 pp.

U.S. Dept. Agr., Agr. Res. Serv. 2011. 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. 2010. Survey of Invasive Plant Species and Other Plants of Mili Atoll, Marshall Islands. USDA Forest Resource Management Grant Program. Unpublished report. 6 pp, plus tabulation of plants of Mili Atoll, 23 pp.