Pacific Island Ecosystems at Risk (PIER)

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Soliva stolonifera
(Brot.) Sweet, Asteraceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Gymnostyles stolonifera (Brot.) Tutin; Hippia stolonifera Brot.

Common name(s): [more details]

English: carpet burweed, jo-jo

Habit:  herb

Description:  "Plants 2-5 (-15+) cm (high or across), 73177; strigillose to villous (stems procumbent, rooting at nodes). Leaves basal and cauline, blades 73177; spatulate, 1-2 (-3) cm, 1 (-2)-pinnati-palmately lobed. Heads mostly scattered along stems. Involucres 3-6 (-8) mm in diameter. Pistillate florets (20-) 40-60+ in 2-4+ series. Disc florets 4-6+; corollas 1.5-2 mm. Cypselae: bodies oblanceolate to oblong-cuneate, 1.8-2.2 mm, wings transversely rugulose or ribbed on proximal 9/10, shoulders 73177; spinose laterally, faces distally villous to pilose or arachnose; pappi 0 (persistent stylar sheaths indurate, spinelike, 0.8-1.5 mm, usually inflexed)"  (Flora of North America online).

Habitat/ecology:  In the United States, "disturbed sites; 10-100+ m"  (Flora of North America online).  In Australia, "grows in depressions and damp areas, often on red brown earths"  (NSW PlanteNET).

Propagation:  Seed

Native range:  Argentina, Uruguay; naturalized elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
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) (pp. 499, 545, 557)
Voucher cited: Danton I(5/32)1380. "En RC, ya se encuentra en varios lugares del territorio de la Ilustre Municipalidad de Juan Fernández como en el Parque Nactional. Es una especie que no teme el pisoteo, que se instala rápidamente y de la cual su extensión está unida directamente con los trayectos del ganado y de los caballos".
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)
Victoria
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) introduced
Flora of North America Editorial Committee, eds. (2013)
Ala., Ark., Ga., La., S.C., Tex.
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
Flora of North America Editorial Committee, eds. (2013)


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

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This page was created on 14 FEB 2011 and was last updated on 7 MAR 2011.