Sida ciliaris L., Malvaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: bracted fanpetals, fringed fanpetals

French: balai-trois-heures, petit balai

Spanish: escoba peluda, escoba pestañosa, huinar

Habit:  herb

Description:  "Low-growing perennial herb, somewhat woody at the base.  Leaves alternate, simple; blade oblong to obovate, 6-15 mm long, lower surface covered with long stellate hairs, margins serrate.  Flowers axillary, solitary; corolla reddish pink, with yellow at the base, somewhat rotate with 5 lobes, lobes ca. 5 mm long; stamens numerous, united in a tubular column, yellow; style branches reddish plink.  Fruit a schizocarp, depressed ovate, 5 mm across, with 6 sections, each with 2 short awns on top; seed 1 per section, dark brown"  (McMullen, 1999; p. 225).

Habitat/ecology:  Coastal zone and arid lowlands in the Galápagos Islands (McMullen, 1999; p. 225).

Propagation:  Seed

Native range:  Florida, Texas, Mexico, Central America, South America (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Ecuador (Galápagos Islands) Floreana Group	Floreana Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Isabela Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Alcedo, Isabela Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Sierra Negra, Isabela Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Baltra Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced invasive	Charles Darwin Foundation (2008)
State of Hawaii Hawaiian Islands	Kaho‘olawe Island	introduced invasive	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2006) (p. 36) Voucher cited: Starr, Starr, Higashino & Abbott 041013-1 (BISH)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Staples, George W./Imada, Clyde T./Herbst, Derral R. (2003) (pp. 14-15) Vouchers cited: W. Char et al. s.n. (BISH 683118), W. Char 20.031 (BISH), T. Flynn 6793 (BISH, MO, NY, PTBG, US)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive	Oppenheimer, Hank (2007) (p. 26) Voucher cited: Oppenheimer H100640 (BISH, PTBG)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Oppenheimer, Hank L./Bartlett, R. T. (2000) (p. 6) West Maui. Voucher cited: Oppenheimer H89923 (BISH)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 24) East Maui. Voucher cited: Starr & Martz 011123-1 (BISH)
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive	Oppenheimer, Hank (2008) (p. 30) Voucher cited: Oppenheimer H20712 (BISH, PTBG)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Wagner, Warren L./Shannon, Robynn K./Herbst, Derral R. (1997) (pp. 59-60) Vouchers cited: Whistler s.n. (BISH), Imada & Char s.n. (BISH), E. Funk s.n. (BISH), Herbst 9373 (BISH), Nagata 4250 (BISH)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Central America Central America (Pacific rim)	Costa Rica (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	Guatemala (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	Nicaragua (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	Panama (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico Mexico	Mexico (United Mexican States)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim) South America (Pacific rim)	Colombia	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim) South America (Pacific rim)	Ecuador (Republic of) (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim) South America (Pacific rim)	Perú (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)

Comments:  Probably not native to the Galápagos Islands, possibly introduced, per Charles Darwin Research Station.

Control:  If you know of control methods for Sida ciliaris, please let us know.