Schefflera arboricola (Hayata) Merr., Araliaceae

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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)

Other Latin names:  Heptapleurum arboricola Hayata

Common name(s): [more details]

Chinese: e zhang teng

English: Hawaiian elf schefflera, arboricola, dwarf schefflera, dwarf umbrella tree, miniature schefflera

French: arbre-pieuvre

Spanish: cheflera

Habit:  shrub

Description:  "A shrub, sometimes scandent, to 3-4 m high.  Leaves 7-9-foliate, long-petiolate, leaflets petiolulate, coriaceous, about 9 cm long and 4 cm broad, obtuse to acute, sometimes emarginate, the base obtuse, the margins entire, glabrous, the lateral veins of 5-6 pairs; petiolules 2-4 mm long; petioles slender, 12-15 cm long.  Inflorescence a terminal panicle, glabrescent, about 20 cm long, the flowers in racemosely arranged umbels, 0.7-1 cm across, 5-10 flowered; pedicels 5-8 mm long.  Fruit ovoid, glandular-punctate when young, about 5 mm long and 4 mm broad, 5-angular, the disc conical, about the length of the fruit"  (Li et al., 1963; pp. 670-671).

Habitat/ecology:  In Taiwan, "in forests from low to high altitudes throughout the island" (Li et al., 1963; pp. 670-671).

Propagation:  Bird-dispersed fruits.

Native range:  China and Taiwan (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Chile (offshore islands) Juan Fernández Islands	Isla Más a Tierra (Robinson Crusoe Island)	introduced invasive cultivated	Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands) Juan Fernández Islands	Isla Más a Tierra (Robinson Crusoe Island)	introduced cultivated	Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 497, 543, 557) Voucher cited: Danton I(5/240)1572. "En RC, fue plantado a veces en plena tierra en jardines del pueblo de San Juan Bautista.  Todavia es temprano para prever el comportamiento de este árbol".
Ecuador (Galápagos Islands) Isabela Group	Isabela Island	introduced cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Sierra Negra, Isabela Island	introduced cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced cultivated	Charles Darwin Foundation (2008)
French Polynesia Marquesas Islands	Ua Pou (Huapu, Uapou, Uapu) Island	introduced cultivated	Lorence, David H./Wagner, Warren L. (2013)
French Polynesia Society Islands	Tahiti Island	introduced cultivated	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Cultivée
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive cultivated	Parker, James L./Parsons, Bobby (2012) (p. 56) Voucher cited: J. Parker & R. Parsons BIED51 (BISH) (BISH)
State of Hawaii Hawaiian Islands	Hawaiian Islands	introduced cultivated	Staples, George W./Herbst, Derral/Imada, Clyde T. (2000) (p. 17)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Frohlich, Danielle/Lau, Alex (2012) (p. 28) Voucher cited: C. Trauernicht & T. Portner 582 (BISH)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2003) (pp. 24-25) East Maui. Vouchers cited: Starr & Martz 001128-3 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive cultivated	Frohlich, Danielle/Lau, Alex (2008) (pp. 10-11) Voucher cited: A. Lau & D. Frohlich 2007032903 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Frohlich, Danielle/Lau, Alex (2010) (p. 4) Voucher cited: A. Lau & D. Frohlich 2008020703 (BISH)
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	introduced cultivated	Whistler, W. A./Steele, O. (1999) (p. 98)
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced cultivated	Vander Velde, Nancy (2003) (p. 67)
Palau Palau (Belau ) (main island group)	Koror (Oreor) Island	introduced cultivated	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 82)
Samoa Western Samoa Islands	Upolu Island	introduced cultivated	Space, James C./Flynn, Tim (2002) (p. 68)
Tonga Ha‘apai Group	Lifuka and Foa Islands	introduced cultivated	Space, James C./Flynn, Tim (2001) (p. 74)
Tonga Tongatapu Group	Tongatapu Island	introduced cultivated	Space, James C./Flynn, Tim (2001) (p. 56)
Tonga Vava‘u Group	Vava‘u Island	introduced cultivated	Space, James C./Flynn, Tim (2001) (p. 68)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
China China	China (People's Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
China China	Hong Kong	introduced cultivated	Wu, Te-lin (2001) (p. 205)
Singapore Singapore	Singapore (Republic of)	introduced cultivated	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 77) Cultivated only
Taiwan Taiwan Island	Taiwan Island	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)

Control:  If you know of control methods for Schefflera arboricola, please let us know.