Pacific Island Ecosystems at Risk (PIER)

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Piper lolot
C.DC., Piperaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: lolo pepper, lolot

French: poivre lolot

Pohnpeian: peper lolo

Vietnamese: la lot

Habit:  herb

Description:  "Dioecious shrub or subshrub, 1.5-3.5 feet tall.  Leaf blades of two forms, lowermost broadly ovate with cordate base; uppermost ovate to oblong-ovate with rounded, unequal-sided base, 2-5 inches long, upper side glabrous, underside finely puberulent on major veins, apex acute to tapering, secondary veins 5-7 pairs.  Inflorescence: male unknown, female 0.5-0.75 inches long, bracts shield-shaped, glabrous.  Female flowers: ovary glabrous, stigmatic lobes 3 (rarely 4 or 5).  Fruit globose"  (Staples & Herbst, 2005; p. 456).

Habitat/ecology:  Plants growing and spreading at the Pohnpei Botanical Garden behind the Visitors Bureau. There is about 1/3 of an acre. This plants are growing very well under trees in the shade. (Konrad Englberger, pers. com.)

Propagation:  Seed and vegetatively (Staples & Herbst, 2005, p. 456; Staples, Herbst & Imada, 2000, p. 27).

Native range:  Vietnam, cultivated elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island introduced
invasive
cultivated
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 123)
Voucher cited: D.H. Lorence 9487 (COM, NY, PTBG)
Invasive
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island introduced
invasive
cultivated
Englberger, Konrad (2009)
Decision on possible eradication pending 16 March 2009.
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2006) (voucher ID: PTBG 44891)
Taxon name on voucher: Piper lolot
French Polynesia
Marquesas Islands
Fatu Hiva Island introduced
Lorence, David H./Wagner, Warren L. (2013)
French Polynesia
Marquesas Islands
Ua Pou (Huapu, Uapou, Uapu) Island introduced
Lorence, David H./Wagner, Warren L. (2013)
Voucher cited: D. H. Lorence 9322 (PAP, PTBG, US)
State of Hawaii
Hawaiian Islands
Maui Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (2001) (voucher ID: BISH 685826)
Taxon name on voucher: Piper lolot C. DC.
State of Hawaii
Hawaiian Islands
O‘ahu Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1985) (voucher ID: BISH 490551)
Taxon name on voucher: Piper lolot C. DC.

Comments:  Commonly cultivated for use as a condiment in Vietnamese cooking.  Unrooted stem cuttings are also sold for use as an aquarium ornamental (Staples & Herbst, 2005; p. 456).

Control: 

Physical:  "Physical removal is effective if done repeatedly for an extended period"  (Englberger, 2009; p. 10).

Chemical:  "Two to three applications with glyphosate (Roundup) at a high concentration can control the plant"  (Englberger, 2009; p. 10).

Biological:  Reportedly affected by a mosaic virus (Staples & Herbst, 2005; p. 456).


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

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This page was created on 15 MAR 2009 and was last updated on 27 OCT 2009.