Pacific Island Ecosystems at Risk (PIER)

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Oenothera laciniata
Hill, Onagraceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: lie ye yue jian cao

English: cut-leaved evening primrose

Habit:  herb

Description:  "Taprooted annual herbs; stems erect to procumbent, 0.5-5 dm long, usually branched, strigillose, sparsely villous, and usually glandular pubescent in inflorescence.  Basal leaves oblanceolate, 5-13 cm long, 1-3 cm wide, margins lobed or dentate; cauline leaves narrowly obovate to narrowly elliptic, 2-10 cm long, 0.4-3.5 cm wide, lobed, dentate, or occasionally subentire.  Flowers solitary in the leaf axils, usually only 1 opening each day per stem near sunset; floral tube 1.5-3.5 cm long; sepals with distinct tips 1-3 mm long; petals pale yellow or yellow, broadly obcordate, 0.5-1.3 (-2) cm long; pollen ca. 50% fertile; stigma surrounded by anthers at anthesis.  Capsules 2.5-5 cm long.  Seeds in 2 rows per cell, ellipsoid to subglobose, 0.8-1.8 mm long, the surface pitted.  Self-compatible, autogamous, permanent translocation heterozygote""  (Wagner et al., 1999; p. 1000).

Habitat/ecology:  In Hawai‘i, "naturalized and often locally common in open sites"  (Wagner et al., 1999; p. 1000). In China, "open, disturbed, usually sandy sites, often along coastal areas; near sea level to 400 m" (Flora of China online).

Propagation:  Seed

Native range:  "Eastern North America, now naturalized in many parts of the world"   (Wagner et al., 1999; p. 1000).

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
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1000)
Voucher cited: Univ. of Hawaii Student 98 (BISH)
State of Hawaii
Hawaiian Islands
Kure Atoll introduced
invasive
Wagner, Warren L./Herbst, Derral R. (1995) (pp. 22-23)
Voucher cited: Saito s.n. (BISH)
State of Hawaii
Hawaiian Islands
Kure Atoll introduced
invasive
Starr, Forest/Martz, Kim/Loope, Lloyd (2001) (p. 15)
Common over most of the island, especially in open areas and near the coast.
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1000)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Starr, Forest/Starr, Kim (2012) (p. 89)
East Maui. Voucher cited: Starr 110412-1 (BISH)
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands introduced
Kato, Hidetoshi (2007)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 108)
Oenothera aff. laciniata Hill. det. Howard (A). Voucher cited: Veillon 2896 (NOU)
United States (other Pacific offshore islands)
Midway Atoll
Midway Atoll introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1000)
United States (other Pacific offshore islands)
Midway Atoll
Sand Island introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-11)
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) introduced
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Fujian
Japan
Japan
Japan (country) introduced
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 186)
var. laciniata and var. grandiflora (S. Waston) B. L. Rob.
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Tamaulipas
Taiwan
Taiwan Island
Taiwan Island introduced
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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This page was created on 28 JAN 2010 and was last updated on 14 APR 2011.