Dipsacus sativus (L.) Honck., Dipsacaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  yes

Other Latin names:  Dipsacus fullonum var. sativus L.

Common name(s): [more details]

English: Indian teasel, card's-thistle, cardaire à foulons, fuller's teasel

Spanish: carda, cardilla, cardo, cardo-de-cardador

Habit:  herb

Description:  "Plants 1 m or more tall. Stem stout, striate, often spiny at the ridges. Cauline leaves broadly lanceolate to oblong-lanceolate, entire or sinuate, midrib spiny beneath. Capitula ovoid to cylindrical, 4-4.5 cm long. Involucral bracts unequal, linear, 1.6-6 cm long; receptacular ones shorter, pubescent with a recurved and hooked apex. Flowers pale lilac"  (Flora of Pakistan online).

Habitat/ecology:  "In Chile this species grows in the following environmental conditions:  Low altitude, interior valleys; coastal mountains, 500-2000 m; coastal areas, 0-500 m. Somewhat dry areas where the drought may last 3-5 months, precipitations of 400-800 mm. are concentrated in winter. Fully exposed to the sun, level areas or slopes facing north"  (Chileflora).

Propagation:  Seed

Native range:  Widely cultivated; origin uncertain, possibly Mediterrean region (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	Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 553)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Mexico Mexico	Mexico (United Mexican States)	introduced invasive	U.S. Dept. Agr., Agr. Res. Serv. (2013) Naturalized
South America (Pacific rim) South America (Pacific rim)	Chile (Republic of)	introduced invasive	Belov, Michail (2013)
United States (west coast) United States (west coast states)	USA (Oregon)	introduced	U.S. Dept. Agr., Nat. Res. Cons. Serv. (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)	introduced	U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)

Control:  If you know of control methods for Dipsacus sativus, please let us know.