Pacific Island Ecosystems at Risk (PIER)

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Rubus glaucus
Benth., Rosaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  yes

Common name(s): [more details]

English: Andean blackberry

French: mûre des Andes

Spanish: mora, mora blanca, mora de Castilla, zarzamora azul

Habit:  shrub

Description:  "Scandent shrub. Stems terete, glabrous, strongly glaucous, prickly, prickles gradually narrowed from a broad base, 2-3 mm long, curved. Stipules linear, 5-12 x 0.3-0.8 mm, chartaceous, glabrous. Petioles 50-120 mm long. Leaves 3-foliolate; leaflets ovate-lanceolate, 5-13 x 2-6.5 cm, subcoriaceous, with 10-13 pairs of secondary veins, base rounded or slightly truncate, apex acuminate, margin biserrate, lower surface whitish pannose, upper surface glabrous. Inflorescences lax, leafy, compound cymes, 10-20 cm long, with 15-22 flowers; pedicels 10-40 mm long, glabrous, with acicles. Flowers 18-22 mm diameter; sepals deltate, 7-15 x 3-5 mm, apex acuminate to filiform, abaxially glabrous, adaxially pannose; petals obovate, 7-10 x 5-8 mm, white; carpels pilose-villous. Fruits ovoid to globose, 15-25 x 15-20 mm, with reflexed sepals; drupelets 3-4 x 2-3 mm, 70-100 per receptacle, sparsely pilose-villous to glabrescent, red to black" (Romoleroux, 1996; p. 56:29).

Habitat/ecology:  In Hawai‘i, established in mesic forest above 1000 m.

Propagation:  Seed

Native range:  Tropical Middle and South America: southern Mexico to Ecuador and Peru.

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
invasive
cultivated
Charles Darwin Foundation (2008)
Observed in survey, no herbarium record.
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
invasive
cultivated
Charles Darwin Foundation (2008)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1106)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd L. (2003) (p. 31)
East Maui. Vouchers cited: Starr & Martz 020221-2 (BISH), Starr & Martz 001029-1 (BISH), Starr & Martz 990113-1 (BISH), Starr & Martz 990113-2 (BISH), Oppenheimer H60144 (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)
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim)
South America (Pacific rim)
Colombia (Republic of) 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:  Subject of an eradication program in the Galápagos Islands (Chris Buddenhagen, pers. com.).

Control: 

Physical: Isolated plants may be grubbed out, but any remaining roots will sprout.

Chemical: Systemic herbicides.


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

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This page was created on 1 JAN 1999 and was last updated on 22 OCT 2006.