Pacific Island Ecosystems at Risk (PIER)

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Triplaris weigeltiana
(Reichb.) Kuntze, Polygonaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk (based on second screen), score: 4 (Go to the risk assessment)

Other Latin names:  Blochmannia weigeltiana Rchb.; Triplaris surinamensis Cham.

Common name(s): [more details]

English: long jack, long john

Habit:  tree

Description:  "Trees to 5 m tall or more; leaves subsessile, the blades 10-22 cm long, 4-6 cm wide, acute apically, cuneate basally, entire, longitudinally lined, and with numerous pairs of prominent lateral veins; spikes 6-10 cm long, bearing numerous ovate to ovate-lanceolate, hirtellous bracts; pistillate perianth accrescent and enclosing the fruit, three of the sepals much enlarged, 2.8-3.2 cm long, 4-5 mm wide, suffused red purple, showy; achene ca 1 cm long (including the style), the styles red purple" (Welsh, 1998; p. 222).

Habitat/ecology:  In Tahiti, invading lowland mesic valleys.

Propagation:  Wind-dispersed seed.

Native range:  South America.

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Meyer, Jean-Yves (2000) (p. 93)
"Mesic/wet habitats"
French Polynesia
Society Islands
Tahiti Island introduced
cultivated
Welsh, S. L. (1998) (p. 222)
Voucher cited: BRY 26001
French Polynesia
Society Islands
Tahiti Island introduced
invasive
cultivated
Florence, J. (2004) (pp. 340-342)
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J.-Y. Meyer 584bis (PAP)
Naturalisée. Menace pour la biodiversité.
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
cultivated
Imada, Clyde T./Staples, George W./Herbst, Derral R. (2013) (p. Voucher specimens)
Vouchers cited: GAMcE s.n. (BISH 63779), Tong s.n. (BISH 63780), Lau 1809 (BISH 534027)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
cultivated
Lau, Alex/Frohlich, Danielle (2012) (pp. 20-21)
Voucher cited: OED 2009011203 (BISH)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Colombia
Colombia
Colombia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Perú
Perú
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) introduced
abo. intro.
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 88)
Cultivated only

Comments:  Listed as moderately invasive in French Polynesia (Meyer, 2000; p. 93).


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 1 JAN 1999 and was last updated on 21 OCT 2010.