Pacific Island Ecosystems at Risk (PIER)

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Begonia foliosa
Kunth, Begoniaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 9 (Go to the risk assessment).

Common name(s): [more details]

English: fern begonia, fern-leaf begonia, fuchsia begonia

Habit:  herb

Description:  "Monoecious, succulent subshrubs 3-12 dm tall, from fibrous roots; stems erect, many-branched, subglabrous.  Leaves numerous, distichous, closely spaced, blades in line with petioles, oblong-obovate to oblong-elliptic, slightly asymmetrical, 1.2-5 cm long, 0.8-1.5 (-2) cm wide, glabrous or with a few hairs along the veins, margins crenate-serrate and sparsely ciliate, petioles 0.3-0.5 (-0.8) cm long, stipules brown, oblong-lanceolate, 0.4-1 cm long, somewhat persistent.  Flowers 2-30, pendent, in cymes 5-10 cm long, these sometimes arranged in leafy panicles, pedicels 5-25 mm long, bracts similar to stipules, persistent; staminate perianth parts 4, white to red, outer ones broadly ovate, 6-16 mm long, inner ones narrowly obovate and slightly shorter, stamens numerous; pistillate perianth parts 5, white to red, subequal, elliptic, 6-13 mm long.  Capsules broadly ellipsoid, the largest wing ovate, ca. 10 mm wide" (Wagner et al., 1999; p. 383).

Habitat/ecology:  In Hawai‘i, "cultivated and apparently sparingly naturalized" (Wagner et al., 1999; p. 383).

Propagation:  Seed

Native range:  Colombia and Venezuela (Wagner et al., 1999; p. 383). Colombia, Ecuador, Peru, Venezuela (GRIN).

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
Hawai‘i (Big) Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 383)
Voucher cited: Rock 12996 (BISH)
Sparingly naturalized.
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Imada, Clyde (2007) (p. 35)
Voucher cited: S. Perlman & B. Garnett 16703 (BISH)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Colombia
Colombia
Colombia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Perú
Perú
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)

Comments:  Reported as possibly an invasive plant in the Hawaiian Islands per Staples et al., 2000.


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This page was created on 10 MAY 2005 and was last updated on 2 MAR 2013.