Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Malva parviflora
L., Malvaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: cheese weed, cheesewood, Egyptian mallow, least mallow, little mallow, ring-leaf mallow, small-flower mallow, whorl-flower mallow, whorled mallow

French: mauve à petites fleurs, mauve d'Egypte

Spanish: malva, malva de campo, malva de Castilla, malva de flor chica, quesillo, quesitos

Habit:  herb

Description:  "Annual or short-lived perennial herbs; branches decumbent to ascending, 0.2-0.5 (-1) m long, glabrate to pubescent.  Leaf blades reniform-orbicular, usually 2-8 cm wide, shallowly 3-lobed, 5-lobed, or 7-lobed, margins undulate, crenate.  Flowers solitary or few in dense cymes, greatly exceeded by the leaves, pedicels filiform, up to 1 (-2.5) cm long in fruit; involucral bracts filiform to linear, 1-4 mm long; calyx 3-5 mm long, accrescent in fruit, spreading, up to 15 mm in diameter, scarious, veiny; petals lavender blue, scarcely exceeding the calyx.  Mericarps 10-11, up to 2.3 mm high and 3 mm wide, with reticulate-rugose walls and acute, slightly winged margins, indehiscent.  Seeds ca. 1.8 mm long, glabrous"  (Wagner et al., 1999; p. 893).

Habitat/ecology:  In Hawai‘i, "naturalized primarily in disturbed area, 0-2,270 m" (Wagner et al., 1999; p. 893). In New Caledonia, "mauvaise herbe peu commune en cultures et terrains vagues" (MacKee, 1994; p. 98).

Propagation:  Seed

Native range:  Mediterranean region through Asia Minor to India (Wagner et al., 1999; p. 893).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
Pickard, J. (1984) (p. 207)
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 20)
Vouchers cited: J. Pickard in A.N. Rodd 1331 (K, NSW), J.D. McComish 100 (NSW)
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 9)
Vouchers cited: W.R. Sykes NI 485 (CHR); 1804, F.L. Bauer (W); 1902, J.H. Maiden & J.L. Boorman (NSW); R.M. Laing (CHR)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
Skottsberg, Carl (1953) (p. 221)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
Skottsberg, Carl (1953) (p. 221)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
Ecuador (Galápagos Islands)
Floreana Group
Floreana Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
San Cristóbal Group
San Cristóbal Island introduced
invasive
Charles Darwin Foundation (2008)
Observed in survey, no herbarium record.
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Santiago Island introduced
invasive
Charles Darwin Foundation (2008)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
Kaho‘olawe Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
Ni‘ihau Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii
Hawaiian Islands
Tern Island introduced
invasive
Starr, Forest/Martz, Kim (1999) (p. 6)
Common everywhere. Though not completely habitat altering, this is one of the worst weeds at Tern Island.
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands introduced
Kato, Hidetoshi (2007)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 98)
Vouchers cited: MacKee 35337, MacKee 35898
New Zealand (offshore islands)
Kermadec Islands
Raoul Island introduced
invasive
Sykes, W. R. (1977) (p. 114)
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
invasive
Lorence, David H./Flynn, Tim (2010) (p. 33)
Naturalized at OISCA fide Joel Miles.
Naturalized
United States (other Pacific offshore islands)
Midway Atoll
Midway Atoll introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 24)
Vouchers cited: Starr & Martz 010520-1 (BISH), Herbst & Takeuchi 9077 (BISH)
United States (other Pacific offshore islands)
Midway Atoll
Sand Island introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-10)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
Australia (continental) introduced
invasive
National Herbarium of New South Wales (2013)
South Australia, Tasmania, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Australia
Australia (continental)
Northern Territory introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Australia
Australia (continental)
Queensland introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 186)
Mexico
Mexico
Mexico (United Mexican States)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 227)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 834)
"Waste land, cultivated land, coastal habitats, river beds".


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

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 5 AUG 2002 and was last updated on 19 OCT 2006.