Cham., Papaveraceae |
|
Present on Pacific Islands? yes
Primarily a threat at high elevations? yes
Common name(s): [more details]
Chinese: hua ling cao |
English: California goldenpoppy, California poppy |
French: eschscholtzie de Californie, globe du soleil, pavot de Californie |
Spanish: amapola de California, dedal de oro |
Habit: herb
Description: "Glaucous, subglabrous annual or perennial herbs; stems erect or ascending, sprawling with age, 2-6 dm long, branched. Leaves ca. 3-12 cm long, the lobes linear-elliptic, 1-3 mm wide. Peduncles 3-15 cm long; receptacle with 2 rings, outer one spreading, 2-4 mm wide, inner one erect and hyaline; calyptra 1-4 cm long; petals dark orange to yellow, broadly obovate, 2-6 cm long. Capsules cylindrical, tapering to apex, 3-8 (-10) cm long. Seeds grayish brown, 1.2-1.5 mm long, reticulate" (Wagner et al., 1999; pp. 1006-1007).
"Plants perennial or annual, caulescent, erect or spreading, 5-60 cm, glabrous, sometimes glaucous; taproot heavy in perennial forms. Leaves basal and cauline; blade with ultimate lobes obtuse or acute. Inflorescences cymose or 1-flowered; buds erect. Flowers: receptacle obconic, cup with spreading free rim; calyx acute to acuminate, glabrous, sometimes glaucous; petals yellow to orange, usually with orange spot at base, 20-60 mm. Capsules 3-9 cm. Seeds brown to black, spheric to ellipsoid, 1.5-1.8 mm, reticulate" (Flora of North America).
Description from Flora of China online.
Habitat/ecology: In Hawaii, "cultivated, now naturalized and currently spreading...at 2,270 m" (Wagner et al., 1999; p. 1007).
Propagation: Seed
Native range: Western North America (Wagner et al., 1999; p. 1007).
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 cultivated |
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. 482, 528-529, 553)
Voucher cited: Danton I(5/153)1433. "En RC, aparece en el pueblo de San Juan Bautista cada año por donde quiere, por aqui y por allá". |
State of Hawaii
Hawaiian Islands |
Hawaii (Big) Island |
introduced
invasive cultivated |
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1006-1007) |
State of Hawaii
Hawaiian Islands |
Maui Island |
introduced
invasive cultivated |
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1006-1007)
Voucher cited: Fosberg 48375 (US) |
New Caledonia
New Caledonia Archipelago |
Île Grande Terre |
introduced
cultivated |
MacKee, H. S. (1994) (p. 113)
Voucher cited: MacKee 40076 |
Pacific Rim | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Australia
Australia (continental) |
Australia (continental) | Hafliger, Toni J./Wolf, Matthias (1988) (p. 85) | |
China
China |
China (People's Republic of) |
introduced
cultivated |
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Widely introduced as a courtyard ornamental |
Japan
Japan |
Japan |
introduced
|
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 183) |
Mexico
Mexico |
Mexico (United Mexican States) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Baja Norte, Chihuahua, Sonora |
New Zealand
New Zealand |
New Zealand (country) |
introduced
invasive |
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 929)
"Dry stony sites, especially on roadsides and dry riverbeds". |
South America (Pacific rim)
South America (Pacific rim) |
Chile (Republic of) | Hafliger, Toni J./Wolf, Matthias (1988) (p. 85) | |
United States (west coast)
United States (west coast states) |
USA (Oregon) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
United States (west coast)
United States (west coast states) |
USA (California) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
United States (west coast)
United States (west coast states) |
USA (Washington) |
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 |
Seychelles
Seychelles Islands |
Seychelles Islands |
introduced
|
Invasive Species Specialist Group (2017) |
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)
Arizona, New Mexico, Nevada, Texas, Utah |
Control:
Physical: "Pull out small patches (spring-summer). Where appropriate plant local native plants to shade out seedlings" (Weedbusters New Zealand).