UW Burke Herbarium species comparison

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Papaver somniferum

Papaver orientale

opium poppy
Habit Glaucous annual, the usually simple stems 3-10 dm. tall, glabrous below.
Leaves

Leaves alternate, sessile and cordate-clasping, shallowly lobed, the lobes toothed, the margins somewhat crinkly.

Flowers

Flowers single on long, bristly, terminal peduncles;

sepals 2, separately early-deciduous;

petals 4, white to purple, large, wavy-margined;

stamens numerous;

style absent, stigma sessile, disk-like, with 5-15 round, stigmatic ridges.

Fruits

Capsule glabrous, sub-globose, 2.5-5 cm. long.

Papaver somniferum

Papaver orientale
Flowering time May-July
Habitat Waste areas, roadsides, and other disturbed areas.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across various parts of North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Origin Introduced from Eurasia
Conservation status Not of concern
Sibling taxa
P. argemone, P. dubium, P. rhoeas
P. argemone, P. dubium, P. rhoeas, P. somniferum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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