Hedera canariensis Willdenow, Araliaceae

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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Risk assessment results:  Reject, score: 13 (Go to the risk assessment).

Other Latin names:  Hedera helix subsp. canariensis (Willd.) Cout.

Common name(s): [more details]

English: Canary ivy, Madeira ivy

Habit:  vine

Description:  "Leaves mostly wider than long, those of the non-flowering shoots reniform, rather obscurely 3-lobed, those of the flowering shoots suborbicular-cordate.  Hairs usually yellowish-brown, stellate-peltate, with 12-16 (-22) rays all in one plane, united at the base for about 1/4 of their length.  Ripe fruit black, 8-10 mm in diameter"  (Tutin et al., 1968; vol. 2, p. 314).

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

Propagation:  Seed; rooting from nodes.

Native range:  Portugal, Algeria, Morocco, Tunisia, Madeira Islands, Canary Islands (GRIN).

Presence:

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
United States (west coast) United States (west coast states)	USA (California)	introduced	U.S. Dept. Agr., Nat. Res. Cons. Serv. (2011) As Hedera helix L. ssp. canariensis (Willd.) Cout.

Additional information:
Fact sheet from the University of Florida Cooperative Extension Service (PDF format).

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

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

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

References:

Tutin, T. G., et al., eds. 1964. Flora Europaea. Cambridge University Press. 5 vol. plus index.

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.