Metrosideros kermadecensis W.R.B.Oliv., Myrtaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 3 (Go to the risk assessment)

Habit:  tree

Description:  "Tree up to 15 m. or more tall; trunk up to 1m. or more diameter. Branchlets, leaves below, inflorescence-axes, receptacles, sepals densely clad in white tomentum; branchlets terete. Leaves on stout petioles ± 5 mm. long; lamina 2-5 x 1-2 cm., broadly ovate- to elliptic-oblong, coriac., margins recurved. Inflorescence of terminal compound cymes with many floweers; pedicels stout, up to c. 10 mm. long. Receptacle obconic; sepals deltoid to triangular, gland-tipped; petals oblong, pubescent, crimson. Stamens crimson, ± 12-20 mm. long. Ovary 3-celled, adnate to receptacle; capsules ± 6 mm. long, distinctly exserted, woody, white-tomentose, loculicidally 3-valved"  (Allan, 1982; p. 324).

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

Propagation:  Seed

Native range:  Kermadec Islands (Allan, 1982; p. 324).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia (Pacific offshore islands) Lord Howe Island	Lord Howe Island	introduced cultivated	Australian Biological Resources Study (2011)
Australia (Pacific offshore islands) Norfolk Islands	Norfolk Island	introduced invasive cultivated	Australian Biological Resources Study (2011) Voucher cited: W. R. Sykes NI579 (CHR)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive cultivated	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 25) East Maui. Voucher cited: Starr & Starr 020815-3 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island		Bishop Museum (U.S.A. Hawaii. Honolulu.) (1995) (voucher ID: BISH 640962) Taxon name on voucher: Metrosideros kermadecensis W.R.B.Oliv.
New Zealand (offshore islands) Kermadec Islands	Kermadec Islands	native	Allan, H. H. (1982) (p. 324)
New Zealand (offshore islands) Kermadec Islands	Raoul Island	native	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 25)

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

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

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

References:

Allan, H. H. 1982. Flora of New Zealand, vol. I: Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons. Botany Division, DSIR, Christchurch. .

Australian Biological Resources Study. 2011. Flora of Australia Online. Australian Biological Resources Study, Canberra.

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1995. Voucher specimen #BISH640962(Yamauchi, S. s.n.).

Starr, Forest/Starr, Kim/Loope, Lloyd L. 2004. New plant records from the Hawaiian Archipelago. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2003. Part 2: Notes. Bishop Museum Occasional Papers. 79:20-30.