Pacific Island Ecosystems at Risk (PIER)

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Acalypha lanceolata
Willd., Euphorbiaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: ma ye tie xian cai

Maori (Cook Islands): māngiongio, puapua

Niuean: magiho, mangiho, ongoongo

Samoan: ogoogo, ogoogo pa‘epa‘e, ogoogo sina, ogoogo tea

Tongan: hogohogo, hongohongo, ngohongoho

Habit:  herb

Description:  "Erect monoecious herb 10-100 cm in height. Stems longitudinally grooved, appressed-pubescent. Leaves alternate, simple, blade ovate 1-8 x 0.8-5 cm, acute to acuminate at the apex, rounded at the base; margins coarsely serrate; surfaces densely pubescent, gland-dotted; petiole 0.5-5 cm long. Inflorescence of 1-4 axillary spikes 5-30 mm long. Flowers unisexual, apetalous, the lower ones female, upper ones male. Male flowers minute, less than 0.5 mm in diameter, clustered; stamens 8. Female flowers subtended by a pubescent, sheathing, cup-shaped bract 1.5-3 mm long with a serrate margin; styles 3, divided into filiform stigmas. Fruit a pubescent, 3-lobed schizocarp 1-2 mm long, splitting into 3 one-seeded segments." (Whistler, 1995; p. 4).

Habitat/ecology:  "Uncommon to occasional in disturbed places" (Whistler, 1995; p. 4). In New Guinea, "a weed of cultivation, roadsides and house-yards, often in partly-shaded places. At low altitudes, not often common" (Henty & Pritchard, 1975; p. 96).

Propagation:  Seed

Native range:  Old World tropics. A ancient introduction as far eastward as Samoa or perhaps the Cook Islands. (Whistler, 1995; p. 4).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
American Samoa
Manu‘a Islands
Ofu Island   Whistler, W. A. (1990)
Vouchers cited: Garber 1014, Whistler 3449
American Samoa
Manu‘a Islands
Ofu Island   Yuncker, T. G. (1945) (p. 47)
Voucher cited: Garber 1014 (BISH)
American Samoa
Manu‘a Islands
Olosega Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1999) (voucher ID: PTBG 267)
Taxon name on voucher: Acalypha lanceolata
American Samoa
Manu‘a Islands
Ta‘u Island   Whistler, W. A. (1990)
Vouchers cited: Harris 7, Harris 74, Yuncher 9280, Whistler 1301, Whistler 1371
American Samoa
Manu‘a Islands
Ta‘u Island   Yuncker, T. G. (1945) (p. 47)
Vouchers cited: Yuncker 9280 (BISH), W. Harris 7 (BISH), W. Harris 74 (BISH)
American Samoa
Manu‘a Islands
Ta‘u Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2001) (voucher ID: PTBG 34606)
Taxon name on voucher: Acalypha lanceolata Willd.
American Samoa
Manu‘a Islands
Ta‘u Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1990) (voucher ID: PTBG 9133)
Taxon name on voucher: Acalypha lanceolata
Cook Islands
Southern Cook Islands
‘Atiu Island   McCormack, Gerald (2013)
Cook Islands
Southern Cook Islands
Ma‘uke Island   McCormack, Gerald (2013)
Cook Islands
Southern Cook Islands
Miti‘aro Island   McCormack, Gerald (2013)
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. 132)
Federated States of Micronesia
Yap Islands
Fais Island introduced
invasive
Fosberg, F. R./Evans, M. (1969) (p. 8)
Voucher cited: Fosberg 46666 (US)
Federated States of Micronesia
Yap Islands
Ulithi Atoll introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 132)
Federated States of Micronesia
Yap Islands
Yap (Waqab) Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 132)
Kiribati
Tungaru (Gilbert) Islands
Butaritari Atoll   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1972) (voucher ID: PTBG 31375)
Taxon name on voucher: Acalypha lanceolata Willd.
New Guinea (Indonesia and Papua New Guinea)
New Guinea Island
New Guinea Island native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Niue
Niue
Niue Island introduced
Sykes, W. R. (1970) (p. 84)
Voucher cited: CHR 169838
Niue
Niue
Niue Island introduced
invasive
abo. intro.
Whistler, W. A. (1988) (p. 17)
Niue
Niue
Niue Island introduced
invasive
Yuncker, T. G. (1943) (p. 73)
"An occasional weed along roadsides and in plantations".
Palau
Kayangel Atoll
Kayangel Islet introduced
invasive
Miles, Joel (2015) (p. 2)
ref cites other taxa as "Cultivated," but not this one, so implication is that this taxon was found in a non-cultivated situation (PT@PhilipT.com/20170602)
Palau
Palau (Belau ) (main island group)
Angaur (Ngeaur) Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 132)
Palau
Palau (Belau ) (main island group)
Angaur (Ngeaur) Island introduced
invasive
Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 103)
Palau
Palau (Belau ) (main island group)
Angaur (Ngeaur) Island introduced
invasive
Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 66)
Voucher: Lorence 9733 (PTBG, BISH, BNM, NY, US, TAMU)
Palau
Palau (Belau ) (main island group)
Angaur (Ngeaur) Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 26)
Taxon name on voucher: Acalypha lanceolata
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 132)
Palau
Palau (Belau ) (main island group)
Kayangel (Ngcheangel) Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 132)
Palau
Palau (Belau ) (main island group)
Kayangel (Ngcheangel) Island introduced
invasive
Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 8)
Voucher: Lorence 9799 (PTBG, BNM)
Palau
Palau (Belau ) (main island group)
Kayangel (Ngcheangel) Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 92)
Taxon name on voucher: Acalypha lanceolata
Palau
Palau (Belau ) (main island group)
Peleliu (Beliliou) Island introduced
invasive
Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 106)
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) invasive
Henty, E. E./Pritchard, G. H. (1975) (p. 96)
At low altitudes, not often common.
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Samoa
Western Samoa Islands
Western Samoa Islands   Whistler, W. A. (1988) (p. 17)
Tonga
Ha‘apai Group
Ha‘apai Islands   Whistler, W. A. (1992) (p. 21)
Vouchers cited: Soakai 663, Soakai 659
Tonga
Tongatapu Group
Tongatapu Island   Whistler, W. A. (1992) (p. 21)
Voucher cited: Soakai 945
Tonga
Vava‘u Group
Niuatoputapu Island   Yuncker, T. G. (1959) (p. 163)
Voucher cited: Hürlimann 396
Tonga
Vava‘u Group
Vava‘u Island   Whistler, W. A. (1992) (p. 21)
Voucher cited: Crosby 149 (2)
Tonga
Vava‘u Group
Vava‘u Island   Yuncker, T. G. (1959) (p. 163)
Cited: Crosby.
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Hainan
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) uncertain if introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 9)
Weed of uncertain origin
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Indian Ocean offshore islands)
Christmas Island Group
Christmas Island introduced
invasive
Swarbrick, J. T. (1997) (p. 102)
Australia (Indian Ocean offshore islands)
Cocos (Keeling) Islands
Cocos (Keeling) Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia (Indian Ocean offshore islands)
Cocos (Keeling) Islands
Cocos (Keeling) Islands introduced
invasive
Orchard, Anthony E., ed. (1993) (pp. 37, 38)
On both main atoll and North Keeling Island.
Australia (Indian Ocean offshore islands)
Cocos (Keeling) Islands
Cocos (Keeling) Islands native
Williams, D. G. (1994) (p. 22)
Maldives
Maldive Islands
Malè Atoll   Fosberg, F. R. (1957) (p. 23)
"Locally comon in dense weedy sod back of beach". Voucher cited: Fosberg 36871 (US)

Control:  If you know of control methods for Acalypha lanceolata, 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 31 AUG 2002 and was last updated on 9 OCT 2006.