Pacific Island Ecosystems at Risk (PIER)

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Ligustrum ovalifolium
Hance, Oleaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Ligustrum medium Franch. & Sav.

Common name(s): [more details]

English: California privet, garden privet

French: troène des haies, troène du Japon

Japanese: oba-ibota

Spanish: aligustre japonés, ligustrino

Habit:  shrub

Description:  "Upright shrub to c. 5 m high, glabrous except for inflorescence, evergreen except in coldest areas. Shoots glabrous. Petioles < 5 mm long. Lamina 3-7-(9) x 1.5-4 cm, ovate to elliptic, shining above; base cuneate; apex obtuse or acute, often mucronate. Panicles to c. 15 x 10 cm, dense, broad-pyramidal; branches ± puberulent, ridged; pedicels short. Flowers very fragrant. Bracts ovate or lanceolate; bracteoles 2, ± ovate, persisting after flowering. Calyx 1.5-2 mm long, glabrous, truncate or very shallowly lobed. Corolla white; tube 4.5-6 mm long; lobes 2-2.5 mm long, elliptic-ovate, acute, reflexed. Stamens exserted, = or slightly < length of corolla lobes; anthers yellow. Style included, 1/2-3/4 length of corolla tube. Fruit 5-7 mm in diameter, subglobose, purplish black. Seed c. 4 mm long, ± ellipsoid, ribbed on back"  (Webb et al., 1988; p. 879).

Habitat/ecology:  In New Zealand, "forest remnant margins, roadside banks, and waste places"  (Webb et al., 1988; p. 879).

Propagation:  Seed

Native range:  Japan (Honshu, Kyushu, Shikoku), South Korea; cultivated elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
cultivated
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 489, 535, 555)
Voucher cited: Danton H(1562)1324. "En RC, es plantado en setos y en algunos jardines del pueblo de San Juan Bautista.  Algunos ejemplares se encuentran asilvestrados".
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1941) (voucher ID: BISH 586761)
Taxon name on voucher: Ligustrum ovalifolium Hance
State of Hawaii
Hawaiian Islands
O‘ahu Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1960) (voucher ID: BISH 10159)
Taxon name on voucher: Ligustrum ovalifolium Hance
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Japan
Japan
Japan (country) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South Korea
South Korea
South Korea (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 879)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. 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
Comité français de l'Union Internationale pour la Conservation de la Nature en France (2013)
envahissant
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (except British Colombia)
Canada
Canada (country) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Ontario
United States (continental except west coast)
United States (other states)
United States (other states) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)

Additional information:
Invasiveness assessment from the Victoria Department of Primary Industries.
Impact assessment from the Victoria Department of Primary Industries.

Additional online information about Ligustrum ovalifolium is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Ligustrum ovalifolium as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Ligustrum ovalifolium may be available from the Germplasm Resources Information Network (GRIN).

References:

Atkinson, Rachel/Sawyer, John. 2011. Naturalized species in the Juan Fernández Archipelago, Chile. Unpublished spreadsheet.

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1941. Voucher specimen #BISH586761(Marvin, G.E. s.n.).

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1960. Voucher specimen #BISH10159(Potter, C. s.n.).

Comité français de l'Union Internationale pour la Conservation de la Nature en France. 2013. Les espéces envahissantes en outre-mer (online resource).

Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido. 2006. Nouveau catalogue de la flore vaculaire de l'archipel Juan Fernández (Chile) [Nuevo catálogo de la flora vacular del Archipélago Juan Fernández (Chile)]. Acta Bot. Gallica 153(4):399-587.

U.S. Dept. Agr., Agr. Res. Serv. 2013. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

U.S. Dept. Agr., Nat. Res. Cons. Serv. 2013. The PLANTS Database. National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. 1988. Flora of New Zealand, Volume IV: Naturalised pteridophytes, gymnosperms, dicotyledons. Botany Division, DSIR, Christchurch. 1365 pp.


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This page was created on 11 FEB 2011 and was last updated on 8 APR 2013.