Macaranga mappa (L.) Mull.Arg., Euphorbiaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 11 (Go to the risk assessment)

Common name(s): [more details]

English: bingabing

Habit:  tree

Description:  "Trees 5-10 m tall.  Leaves very large, peltate, orbicular-ovate to broadly ovate, 60-100 cm long, petioles 30-60 cm long, stipules 6-15 cm long.  Staminate flowers in panicles 15-20 cm long, bracts and calyx pink, stamens ± 10, anthers tetrathecal; pistillate flowers in dense, bracteate clusters, ovary 2-celled, styles ca. 10 mm long, connate at base.  Capsules 2-3-celled, 8-10 mm long, glabrous, each valve armed with 2 spine-like processes.  (Wagner et al., 1999; p. 624).

Habitat/ecology:  In Hawai‘i, "naturalized in low elevation mesic to wet areas and disturbed mesic valleys, 0-220 m" (Wagner et al., 1999; p. 624).

Propagation:  Seed

Native range:  Philippines (Wagner et al., 1999; p. 624).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 624)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 624) Voucher cited: MacDaniels 460a (BISH)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Indonesia Indonesia	Indonesia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011) Celebes, Moluccas

Additional information:
Report (PDF format) from US Geological Survey, Biological Resources Division, Haleakala Field Station, Hawaii "Plants of Hawaii".
Information from the World Agroforestry Centre's AgroForestryTree Database.

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

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

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

References:

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

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).