Family: Papaveraceae
Common name: poppy family [Zomlefer, pp. 45-49]
Diversity: Worldwide: 26 genera; ~200 species
U.S.: 13 genera
PNW (Hitchcock & Cronquist): 4 genera
Flower -- Vegetative Features -- Economic Importance -- Flower Images-- Web Sites


Flower
K2-3 Co4-12 S P (2-x)
Sexuality: bisexual
Symmetry: actinomorphic
Inflorescence: usu. solitary, some with cymes or racemes
Calyx (sepals): 2 to 3, fully enclosing bud, quickly deciduous
Corolla (petals): 4 to 12, separate, sometimes biseriate (two series), often crumpled
Androecium: numerous stamens, in several series
Gynoecium: 2 to several carpels, united, superior ovary (=hypogynous)
Fruit: capsule opens with valves or pores
Other features: genetic self-incompatability system (gametophytic type)

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Vegetative Features
usu. milky or colored latex sap, containing alkaloids
Leaves: alternate, entire to much divided, exstipulate
Life-history: annual to perennial
Habit: herbs, shrubs, rarely small trees
Distribution & Ecology: sub-tropical and temperate regions of N. Hemisphere,
well represented in w. N. America
Some Northwest Genera: Eschscholzia California poppy
Papaver poppy

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Economic Importance
Crops: Papaver somniferum opium poppy (alkaloids in latex, not seeds)
Ornamentals: Eschscholzia California poppy
Papaver poppy
Weedy and pest species:

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Examples Argemone
Eschscholzia
Papaver
click on the genus name for a flower image

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Links to Other Web Sites


Texas A & M Univ.
Image Gallery
A collection of images for plants in the Papaveraceae, listed alphabetically by genus.

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Maintained by the Reed College Biology Department
Last Modified 2/2/98
Questions/Comments to Keith.Karoly@directory.reed.edu