Operculina ventricosa: info from PIER (PIER species info)

Pacific Island Ecosystems at Risk (PIER)

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Operculina ventricosa
(Bert.) Peter, Convolvulaceae

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Present on Pacific Islands? yes

Primarily a threat at high elevations? no

Other Latin names: Operculina turpethum (L.) Silva Manso var. ventricosa (Bertero) Austin & Staples

Common name(s): [more details]

Chamorro: alalag

English: St. Thomas lidpod, paper rose

Samoan: pālulu

Tongan: fue hina

Habit: vine

Description: "Very coarse, extensive, appressed pubescent twiner, stems terete; leaves very large, to 30 cm or more across, orbicular cordate, very shortly acuminate, petioles 15-20 cm long; peduncles stout, to 30 cm long, with compact cymes of up to 7 flowers; bracts conspicuous, orbicular to oval, membranous, concave, pubescent, somewhat persistent, 2.5-4 cm long; sepals orbicular, obtuse, mucronulate, accrescent; corolla white, campanulate or broadly funnel-form, about 5 cm long; stamens strongly included, anthers tightly coiled; capsule globose, about 2.5 cm long; seeds black, glabrous" (Fosberg and Sachet, 1977; pp. 29-30).

"A large pubescent maritime vine with milky sap; leaves broadly ovate to sub-orbicular, to 2- x 20 cm, on long hirsute petioles; peduncles to 12 cm long; sepals ovate, 3 cm; corolla white, 5-7.5 cm long, capsule with 4 smooth black seeds" (Stone, 1970; p. 496).

"Operculina ventricosa differs from O. turpethum in having its stems terete (rather than short-pilose and often glabrate), its peduncles with more numerous flowers (sometimes as many as 7 rather than 1-3), and its corollas, capsules, and seeds somewhat larger" (Smith, 1991; pp. 45-46).

Habitat/ecology: "Common in disturbed places, climbing in thickets and covering the ground in great mats; it has only recently become common in Guam... It may have been introduced there from Saipan or Tinian on aircraft at that time." (Fosberg and Sachet, 1977; pp. 29-30). In New Caledonia, "espèce originaire d'Amérique tropicale mai introduite depuis longtemps dans plusieurs îles du Pacifique Sud; dans notre territoire elle fréquente les plateaux calcaires et les pentes rocheuses serpentineuses où elle s'enroule aux arbres" (Heine, 1984; p. 28).

Propagation: Seed

Native range: Suriname and Guadeloupe. Another species, Operculina turpethum, occurs from tropical Africa and Madagascar to southern Asia and Australia and eastward in the Pacific to the Society and Marquesas Islands (Smith, 1991; pp. 45-46).

Presence:

Pacific

Country/Terr./St. &
Island group Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction? Reference &
Comments

American Samoa
Tutuila Islands Tutuila Island introduced
invasive
Space, James C./Flynn, Tim (2000) (p. 37)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Agrigan (Agrihan) Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Alamagan Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Alamagan Island Bishop Museum (Honolulu) (1950) (voucher ID: BISH 38736)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Anatahan Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Asuncion Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Asuncion Island Bishop Museum (Honolulu) (1984) (voucher ID: BISH 667694)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Farallon de Medinilla (Marpi, Medinilla) Island Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Farallon de Medinilla (Marpi, Medinilla) Island Bishop Museum (Honolulu) (1996) (voucher ID: BISH 646898)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Farallon de Medinilla (Marpi, Medinilla) Island Bishop Museum (Honolulu) (1984) (voucher ID: BISH 665442)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Guguan Island introduced
Raulerson, L. (2006) (p. 58)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Maug Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Maug Island introduced
Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1977) (p. 30)
Voucher cited: Dickinson & Mersereau 7 (US)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Maug Island Bishop Museum (Honolulu) (1984) (voucher ID: BISH 665415)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Maug Island Bishop Museum (Honolulu) (1984) (voucher ID: BISH 666175)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Pagan Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Pagan Island Bishop Museum (Honolulu) (1950) (voucher ID: BISH 38737)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Pagan Island Bishop Museum (Honolulu) (1954) (voucher ID: BISH 571589)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Rota Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Rota Island Bishop Museum (Honolulu) (1973) (voucher ID: BISH 441691)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Sarigan Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Sarigan Island Bishop Museum (Honolulu) (1966) (voucher ID: BISH 410825)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Tinian Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Tinian Island Bishop Museum (Honolulu) (1946) (voucher ID: BISH 38738)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Tinian Island Bishop Museum (Honolulu) (1946) (voucher ID: BISH 140412)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Tinian Island Bishop Museum (Honolulu) (1952) (voucher ID: BISH 140414)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands Tinian Island Bishop Museum (Honolulu) (1946) (voucher ID: BISH 571588)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Saipan Saipan Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Commonwealth of the Northern Mariana Islands (US)
Saipan Saipan Island Bishop Museum (Honolulu) (1950) (voucher ID: BISH 38735)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Saipan Saipan Island Bishop Museum (Honolulu) (1946) (voucher ID: BISH 38739)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Commonwealth of the Northern Mariana Islands (US)
Saipan Saipan Island Bishop Museum (Honolulu) (1948) (voucher ID: BISH 140411)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Cook Islands
Southern Cook Islands ‘Atiu Island Sykes, Bill (year unknown)

Cook Islands
Southern Cook Islands ‘Atiu Island Bishop Museum (Honolulu) (1991) (voucher ID: BISH 664500)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Cook Islands
Southern Cook Islands ‘Atiu Island Bishop Museum (Honolulu) (1991) (voucher ID: BISH 664501)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Cook Islands
Southern Cook Islands Mangaia Island Sykes, Bill (year unknown)

Cook Islands
Southern Cook Islands Rarotonga Island McCormack, Gerald (2013)

Federated States of Micronesia
Yap Islands Fais Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Federated States of Micronesia
Yap Islands Fais Island introduced
invasive
Fosberg, F. R./Evans, M. (1969) (p. 12)
Voucher cited: Fosberg 46721 (US)

Guam
Guam Island Guam Island introduced
invasive
Stone, Benjamin C. (1970) (p. 496)
Vouchers cited: Stone 4911 (GUAM), Stone 5163 (GUAM)
Adventive

Guam
Guam Island Guam Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)

Guam
Guam Island Guam Island Bishop Museum (Honolulu) (1954) (voucher ID: BISH 38740)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Guam
Guam Island Guam Island Bishop Museum (Honolulu) (1977) (voucher ID: BISH 437075)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

New Caledonia
Récifs D'Entrecasteaux (D'Entrecasteaux Reefs) Île Surprise introduced
invasive
Heine, Heino (1984) (p. 28)
Voucher cited: Blanchon 429

New Caledonia
Îles Loyauté (Loyalte Islands) Île Walpole introduced
invasive
Heine, Heino (1984) (p. 28)
Vouhcer cited: Hmakone & Sam in MacKee 25862

New Caledonia
Îles Loyauté (Loyalte Islands) Île Walpole native
Renevier, Alain/Cherrier, Jean-Francois (1991) (p. 16)
Voucher cited: Cherrier in MacKee 44069

New Caledonia
New Caledonia Archipelago Île Grande Terre introduced
invasive
Heine, Heino (1984) (p. 28)
Vouchers cited: Balansa 544, MacKee 37083

New Caledonia
New Caledonia Archipelago Île des Pins (Isle of Pines) introduced
invasive
Heine, Heino (1984) (p. 28)
Voucher cited: MacKee 13116

Niue
Niue Niue Island native
Sykes, W. R. (1970) (p. 74)
As O. turpethum. Voucher cited: 169783.

Niue
Niue Niue Island native
invasive
Whistler, W. A. (1988) (p. 15)
As O. turpethum

Niue
Niue Niue Island uncertain if native
invasive
Space, James C./Waterhouse, Barbara M./Newfield, Melanie/Bull, Cate (2004) (p. 16)

Samoa
Western Samoa Islands Upolu Island National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1989) (voucher ID: PTBG 3016)
Taxon name on voucher: Operculina ventricosa

Samoa
Western Samoa Islands Upolu Island National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1989) (voucher ID: PTBG 3018)
Taxon name on voucher: Operculina ventricosa

Tonga
Ha‘apai Group Ha‘ano Island introduced
invasive
Space, James C./Flynn, Tim (2001) (p. 73)

Tonga
Ha‘apai Group Ha‘apai Islands introduced
Whistler, W. A. (1992) (p. 18)
Voucher cited: Whistler 6622

Tonga
Ha‘apai Group Tofua Island introduced
Whistler, W. A. (1992) (p. 18)
Vouchers cited: Scarth-Johnson 30, Buelow 577

Tonga
Tongatapu Group ‘Eua Island introduced
invasive
Space, James C./Flynn, Tim (2001) (p. 61)

Tonga
Tongatapu Group ‘Eua Island Drake, D. R./Whistler, W. A./Motley, T. J./Imada, C. T. (1996)

Tonga
Tongatapu Group ‘Eua Island introduced
Whistler, W. A. (1992) (p. 18)
Vouchers cited: Hotta 5473, Whistler 7190, Whistler 7196, Whistler 7398

Tonga
Tongatapu Group Tongatapu Island introduced
Whistler, W. A. (1992) (p. 18)
Voucher cited: Soakai 576?

Tonga
Vava‘u Group Niuafo‘ou Island introduced
Whistler, W. A. (1992) (p. 18)
Voucher cited: Whistler 6639?

Tonga
Vava‘u Group Niuatoputapu Island introduced
Whistler, W. A. (1992) (p. 18)
Vouchers cited: Buelow 1083, Whistler 6189

Tonga
Vava‘u Group Tafahi Island introduced
Whistler, W. A. (1992) (p. 18)
Voucher cited: Whistler 6235

Tonga
Vava‘u Group Vava‘u Island introduced
Whistler, W. A. (1992) (p. 18)
Vouchers cited: Crosby 124, crosby 183, Buelow 855

Tonga
Vava‘u Group Vava‘u Island National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2001) (voucher ID: PTBG 34292)
Taxon name on voucher: Operculina ventricosa (Bert.) Peter

Control: If you know of control methods for Operculina ventricosa, please let us know.

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 20 OCT 2006.

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
American Samoa Tutuila Islands	Tutuila Island	introduced invasive	Space, James C./Flynn, Tim (2000) (p. 37)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Agrigan (Agrihan) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Alamagan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Alamagan Island		Bishop Museum (Honolulu) (1950) (voucher ID: BISH 38736) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Anatahan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Asuncion Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Asuncion Island		Bishop Museum (Honolulu) (1984) (voucher ID: BISH 667694) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Farallon de Medinilla (Marpi, Medinilla) Island		Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Farallon de Medinilla (Marpi, Medinilla) Island		Bishop Museum (Honolulu) (1996) (voucher ID: BISH 646898) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Farallon de Medinilla (Marpi, Medinilla) Island		Bishop Museum (Honolulu) (1984) (voucher ID: BISH 665442) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Guguan Island	introduced	Raulerson, L. (2006) (p. 58)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Maug Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Maug Island	introduced	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1977) (p. 30) Voucher cited: Dickinson & Mersereau 7 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Maug Island		Bishop Museum (Honolulu) (1984) (voucher ID: BISH 665415) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Maug Island		Bishop Museum (Honolulu) (1984) (voucher ID: BISH 666175) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island		Bishop Museum (Honolulu) (1950) (voucher ID: BISH 38737) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island		Bishop Museum (Honolulu) (1954) (voucher ID: BISH 571589) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Rota Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Rota Island		Bishop Museum (Honolulu) (1973) (voucher ID: BISH 441691) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Sarigan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Sarigan Island		Bishop Museum (Honolulu) (1966) (voucher ID: BISH 410825) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island		Bishop Museum (Honolulu) (1946) (voucher ID: BISH 38738) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island		Bishop Museum (Honolulu) (1946) (voucher ID: BISH 140412) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island		Bishop Museum (Honolulu) (1952) (voucher ID: BISH 140414) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island		Bishop Museum (Honolulu) (1946) (voucher ID: BISH 571588) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island		Bishop Museum (Honolulu) (1950) (voucher ID: BISH 38735) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island		Bishop Museum (Honolulu) (1946) (voucher ID: BISH 38739) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island		Bishop Museum (Honolulu) (1948) (voucher ID: BISH 140411) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Cook Islands Southern Cook Islands	‘Atiu Island		Sykes, Bill (year unknown)
Cook Islands Southern Cook Islands	‘Atiu Island		Bishop Museum (Honolulu) (1991) (voucher ID: BISH 664500) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Cook Islands Southern Cook Islands	‘Atiu Island		Bishop Museum (Honolulu) (1991) (voucher ID: BISH 664501) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Cook Islands Southern Cook Islands	Mangaia Island		Sykes, Bill (year unknown)
Cook Islands Southern Cook Islands	Rarotonga Island		McCormack, Gerald (2013)
Federated States of Micronesia Yap Islands	Fais Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Federated States of Micronesia Yap Islands	Fais Island	introduced invasive	Fosberg, F. R./Evans, M. (1969) (p. 12) Voucher cited: Fosberg 46721 (US)
Guam Guam Island	Guam Island	introduced invasive	Stone, Benjamin C. (1970) (p. 496) Vouchers cited: Stone 4911 (GUAM), Stone 5163 (GUAM) Adventive
Guam Guam Island	Guam Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 228)
Guam Guam Island	Guam Island		Bishop Museum (Honolulu) (1954) (voucher ID: BISH 38740) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
Guam Guam Island	Guam Island		Bishop Museum (Honolulu) (1977) (voucher ID: BISH 437075) Taxon name on voucher: Operculina ventricosa (Bert.) Peter
New Caledonia Récifs D'Entrecasteaux (D'Entrecasteaux Reefs)	Île Surprise	introduced invasive	Heine, Heino (1984) (p. 28) Voucher cited: Blanchon 429
New Caledonia Îles Loyauté (Loyalte Islands)	Île Walpole	introduced invasive	Heine, Heino (1984) (p. 28) Vouhcer cited: Hmakone & Sam in MacKee 25862
New Caledonia Îles Loyauté (Loyalte Islands)	Île Walpole	native	Renevier, Alain/Cherrier, Jean-Francois (1991) (p. 16) Voucher cited: Cherrier in MacKee 44069
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced invasive	Heine, Heino (1984) (p. 28) Vouchers cited: Balansa 544, MacKee 37083
New Caledonia New Caledonia Archipelago	Île des Pins (Isle of Pines)	introduced invasive	Heine, Heino (1984) (p. 28) Voucher cited: MacKee 13116
Niue Niue	Niue Island	native	Sykes, W. R. (1970) (p. 74) As O. turpethum. Voucher cited: 169783.
Niue Niue	Niue Island	native invasive	Whistler, W. A. (1988) (p. 15) As O. turpethum
Niue Niue	Niue Island	uncertain if native invasive	Space, James C./Waterhouse, Barbara M./Newfield, Melanie/Bull, Cate (2004) (p. 16)
Samoa Western Samoa Islands	Upolu Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1989) (voucher ID: PTBG 3016) Taxon name on voucher: Operculina ventricosa
Samoa Western Samoa Islands	Upolu Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1989) (voucher ID: PTBG 3018) Taxon name on voucher: Operculina ventricosa
Tonga Ha‘apai Group	Ha‘ano Island	introduced invasive	Space, James C./Flynn, Tim (2001) (p. 73)
Tonga Ha‘apai Group	Ha‘apai Islands	introduced	Whistler, W. A. (1992) (p. 18) Voucher cited: Whistler 6622
Tonga Ha‘apai Group	Tofua Island	introduced	Whistler, W. A. (1992) (p. 18) Vouchers cited: Scarth-Johnson 30, Buelow 577
Tonga Tongatapu Group	‘Eua Island	introduced invasive	Space, James C./Flynn, Tim (2001) (p. 61)
Tonga Tongatapu Group	‘Eua Island		Drake, D. R./Whistler, W. A./Motley, T. J./Imada, C. T. (1996)
Tonga Tongatapu Group	‘Eua Island	introduced	Whistler, W. A. (1992) (p. 18) Vouchers cited: Hotta 5473, Whistler 7190, Whistler 7196, Whistler 7398
Tonga Tongatapu Group	Tongatapu Island	introduced	Whistler, W. A. (1992) (p. 18) Voucher cited: Soakai 576?
Tonga Vava‘u Group	Niuafo‘ou Island	introduced	Whistler, W. A. (1992) (p. 18) Voucher cited: Whistler 6639?
Tonga Vava‘u Group	Niuatoputapu Island	introduced	Whistler, W. A. (1992) (p. 18) Vouchers cited: Buelow 1083, Whistler 6189
Tonga Vava‘u Group	Tafahi Island	introduced	Whistler, W. A. (1992) (p. 18) Voucher cited: Whistler 6235
Tonga Vava‘u Group	Vava‘u Island	introduced	Whistler, W. A. (1992) (p. 18) Vouchers cited: Crosby 124, crosby 183, Buelow 855
Tonga Vava‘u Group	Vava‘u Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2001) (voucher ID: PTBG 34292) Taxon name on voucher: Operculina ventricosa (Bert.) Peter