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Published In: Species Plantarum 2: 1196. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 9/1/2017)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Introduced

 

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1. Papaver dubium L. (blind eyes, longhead poppy)

Pl. 476 a–c; Map 2175

Sap usually white. Stems 15–60 cm long, moderately pubescent with relatively long, spreading, broad-based hairs. Basal leaves with the blade 3–8 cm long, 1 or 2 times pinnately deeply lobed (rarely fully compound toward the base), variously oblanceolate to elliptic or ovate in outline, the ultimate segments lanceolate to oblong-lanceolate, or narrowly elliptic, tapered to sharply pointed tips, the margins otherwise entire or with a few coarse teeth, the surfaces and margins sparsely to densely hairy with relatively coarse hairs. Stem leaves similar to the basal ones, sessile or short-petiolate, with shorter blades, the margins sometimes more densely toothed, not clasping the stems at the base. Flower stalks 12–20 cm long, with relatively long, spreading hairs toward the base, these grading into appressed hairs toward the tip. Sepals 10–18 mm long, with relatively coarse, more or less appressed hairs. Petals 15–25 mm long, red to pinkish red or orange, usually with a pronounced dark spot at the base. Anthers dark purple to black. Stigmatic crown with (4–)7–9 lobes. Fruits 12–22 mm long, narrowly obovoid, longitudinally lined or slightly ribbed, glabrous, occasionally slightly glaucous when young. 2n=42. May–July.

Introduced, uncommon and sporadic, mostly in the southwestern portion of the state (native of Europe, Asia; introduced widely but sporadically in the eastern and northwestern U.S., Canada). Glades; also pastures, railroads, roadsides, and open, disturbed areas.

Kiger (1997) noted that in its native range, P. dubium is a polyploid complex that has been split into several morphologically intergrading subspecies. He stated that these have no geographic integrity among populations introduced in North America and thus are impossible to adequately discriminate and thus unworthy of formal recognition.

 


 

 
 
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