Pacific Island Ecosystems at Risk (PIER)

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Begonia rex
Putzeys, Begoniaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: da wang qiu hai tang

English: king begonia, painted-leaf begonia, rex begonia

French: bégonia

Habit:  herb

Description:  "Rhizomatous perennial; rhizome horizontal, fleshy.  Leaf petioles to 4 inches long, red, hairy; blades obliquely ovate, 8-12 inches x 6-8 inches, surface wrinkled, upper side rich metallic green with bread silver-white zone, sparsely hairy, underside dull red, hairy along veins, base cordate, margins wavy, ciliate-toothed.  Inflorescence erect, few-flowered, taller than leaves, stalk glabrous or nearly so.  Flowers pale rose pink, to 2 inches in diameter; staminate flower tepals 4, unequal; pistillate flower tepals 5, equal, ovary 3-angled, wings 1 long and 2 short"  (Staples & Herbst, 2005; p. 177).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  "Native to Assam in northeastern India" (Staples & Herbst, 2005; p. 177).

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)
San Cristóbal Group
San Cristóbal Island introduced
cultivated
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
cultivated
Charles Darwin Foundation (2008)
Fiji
Fiji Islands
Viti Levu Island introduced
cultivated
Smith, Albert C. (1981) (pp. 691-692)
Vouchers cited: DA 16761, DA 16762, DA 16763
French Polynesia
Gambier Islands
Mangareva (Gambier) Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
French Polynesia
Marquesas Islands
Nuku Hiva (Nukahiva) Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
French Polynesia
Society Islands
Tahiti Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
French Polynesia
Tuamotu Archipelago
Makatea (Ma‘atea) Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
French Polynesia
Austral (Tubuai) Islands
Rurutu Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 21)
Begonia x rex-cultorum L. H. Bailey; voucher cited: MacKee 41052
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) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
cultivated
Lavergne, Christophe (2006)
"Cultivé/très envahissant"

Comments:  Invasive in La Réunion per Christophe Lavergne, pers. com. Most plants grown under this name are Begonia rex-cultorum hybrids (Staples & Herbst, 2005; p. 177).


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

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This page was created on 3 MAR 2006 and was last updated on 11 OCT 2006.