Pacific Island Ecosystems at Risk (PIER)

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Emilia coccinea
(Sims) G.Don, Asteraceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Cacalia coccinea Sims; Emilia sagittata (Willd.) DC.

Common name(s): [more details]

Chinese: rong ying ju

English: Cupid's-paintbrush, Flora's paintbrush, red thistle, tasselflower

French: cucolie écarlate, émilie

Habit:  herb

Description:  "Herbs, annual. Stems erect, 40-70 (-100) cm tall, glabrous or hispidulous. Basal and lower leaves shortly petiolate; blade oblong, obovate, or subspatulate, 5-7 x 2-2.5 cm, both surfaces puberulent, veins convex abaxially and conspicuously concave adaxially, base gradually attenuate, winged and semiamplexicaul, margin entire or repand-denticulate, apex obtuse. Median stem leaves sessile, oblong or ovate-oblong, large, basally hastate and amplexicaul. Upper leaves smaller, lanceolate or oblong-lanceolate, basally auriculate and amplexicaul, apically acute. Capitula several in terminal corymb, 10-15 mm; peduncles 10-30 mm, not bracteate. Involucres urceolate or top-shaped, 10-12 x 9-12 mm, without bracts at base; phyllaries distinctly shorter than florets, 10-13, linear-lanceolate, glabrous, margin narrowly scarious, apically acuminate. Florets numerous, ca. 50; corolla scarlet, rarely yellow, tube slender; lobes 5, lanceolate, 1.6-2.2 mm. Achenes cylindric, ca. 3 mm, puberulent, 5-ribbed. Pappus white, ca. 4 mm"  (Flora of China online).

"Plants 2-10 dm tall, unbranched or sparingly branched, somewhat arachnoid-villous below, otherwise glabrous or nearly so.  Leaves variable in shape and size, narrowly elliptic to obovate or oblong-lanceolate, usually 4-15 cm long, 1-7 cm wide, margins subentire to dentate.  Heads urn-shaped to turbinate, nearly as long as wide, ca. " as long as corolla, bracts 10-13, usually 6-9 mm long; florets usually more than 50 per head, conspicuously longer than the involucre by usually 2-5 mm, corollas bright orange, the lobes 1.6-2.2 mm long"  (Wagner et al., 1999; p. 312).

Habitat/ecology:  In Hawai‘i, "sparingly naturalized in low elevation, dry disturbed habitats" (Wagner et al., 1999; p. 312).

Propagation:  Seed

Native range:  Africa and perhaps Madagascar (Wagner et al., 1999; p. 312).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Imada, Clyde T./Staples, George W./Herbst, Derral R. (2000) (p. 10)
Voucher cited: C. Imada, W. Char & C. Morden 99-11 (BISH)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 312)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 312)
Voucher cited: Heller 2296
New Caledonia
New Caledonia
New Caledonia Islands   Swarbrick, John T. (1997) (p. 92)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
China
China
China (People's Republic of) introduced
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Colombia
Colombia
Colombia (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Costa Rica
Costa Rica
Costa Rica (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
El Salvador
El Salvador
El Salvador (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Honduras
Honduras
Honduras (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 190)
As Emilia sagittata (Willd.) DC.
Mexico
Mexico
Mexico (United Mexican States) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized


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This page was created on 26 JUL 2002 and was last updated on 26 DEC 2012.