Papaveraceae
Papaver atlanticum (Ball) Coss.
Papaver atlanticum (Ball) Coss.
Papaver atlanticum is a perennial poppy species with bluish leaf rosettes and pale orange flowers on long wiry stems.
Papaver californicum A.Gray
Papaver californicum A.Gray
Papaver californicum is an annual herb with orange, green-based four-petaled flowers, whose dormant seeds germinate triggered by smoke.
Papaver cambricum L.
Papaver cambricum L.
Papaver cambricum is a yellow or orange flowering poppy, endemic to Western European uplands and adapted to grow in rocky gaps and urban cracks.
Papaver dubium L.
Papaver dubium L.
Papaver dubium is a variable annual poppy, distinguishable from similar P. rhoeas by stem hairs, that produces light red flowers and long-lived soil seed banks.
Papaver nudicaule L.
Papaver nudicaule L.
Papaver nudicaule, the Iceland poppy, is a hardy boreal flowering plant popular in cultivation for cut flowers.
Papaver orientale L.
Papaver orientale L.
Papaver orientale, the Oriental poppy, is a perennial flowering plant native to western Asia, widely grown in cultivation.
Papaver rhoeas L.
Papaver rhoeas L.
Papaver rhoeas, the common corn poppy, is an annual flowering plant with cultivated varieties, edible seeds, and historical folk medicine uses.
Papaver somniferum L.
Papaver somniferum L.
Papaver somniferum (opium poppy) is an annual herb grown commercially for poppy seeds, pharmaceutical opium and alkaloids.
Platystemon californicus Benth.
Platystemon californicus Benth.
Platystemon californicus is a variable annual herb native to western North America with varied forms and five petal color patterns.
Pseudofumaria alba (Mill.) Lidén
Pseudofumaria alba (Mill.) Lidén
Pseudofumaria alba (white corydalis) is a short-lived Papaveraceae perennial with white yellow-throated flowers and gray-green fern-like leaves.
Pseudofumaria lutea (L.) Borkh.
Pseudofumaria lutea (L.) Borkh.
Pseudofumaria lutea (yellow corydalis) is a low-growing, self-seeding plant that grows well in variable light conditions.
Roemeria argemone (L.) C.Morales, R.Mend. & Romero García
Roemeria argemone (L.) C.Morales, R.Mend. & Romero García
Roemeria argemone is an annual flowering pale poppy native to parts of Africa, Europe and Asia, once used in herbal medicine.
Roemeria hispida Stace
Roemeria hispida Stace
Roemeria sicula (rough poppy) is a widespread flowering poppy species, a minor cereal weed native to the Mediterranean and western Asia.
Romneya coulteri Harv.
Romneya coulteri Harv.
Romneya coulteri is a large-flowered California native poppy widely grown as an ornamental plant.
Romneya trichocalyx Eastw.
Romneya trichocalyx Eastw.
Romneya trichocalyx is a distinct poppy species native to California and Baja California, grown ornamentally for its large showy white flowers.
Sanguinaria canadensis L.
Sanguinaria canadensis L.
Sanguinaria canadensis (bloodroot) is a North American spring ephemeral with toxic sanguinarine, used ornamentally and commercially.
Sarcocapnos enneaphylla (L.) DC.
Sarcocapnos enneaphylla (L.) DC.
Sarcocapnos enneaphylla is a creeping perennial with purple-tipped white or yellowish flowers, blooming winter to summer.
Stylomecon heterophylla (Benth.) G.Taylor
Stylomecon heterophylla (Benth.) G.Taylor
Stylomecon heterophylla, the wind poppy, is an uncommon annual orange-flowered herb native to western North America's coastal mountains.
Stylophorum diphyllum (Michx.) Nutt.
Stylophorum diphyllum (Michx.) Nutt.
Stylophorum diphyllum, the celandine poppy, is an herbaceous forest perennial with bright yellow spring flowers and staining yellow-orange latex.
Fumaria parviflora Lam.
Fumaria parviflora Lam.
Fumaria parviflora is a widespread sometimes weedy flowering plant with documented alkaloidal chemical constituents.
Fumaria densiflora DC.
Fumaria densiflora DC.
Fumaria densiflora DC. is a self-supporting annual Papaveraceae herb that grows up to 46 cm tall with simple broad leaves.
Dicentra pauciflora S.Watson
Dicentra pauciflora S.Watson
Dicentra pauciflora is a short perennial wild bleeding-heart native to mountain gravelly soils of Oregon and California.
Dicentra peregrina (Rudolph) Makino
Dicentra peregrina (Rudolph) Makino
Dicentra peregrina is an alpine tundra plant with varied flower colors, native to Northeast Asia and far eastern Russia.
Corydalis cheilanthifolia Hemsl.
Corydalis cheilanthifolia Hemsl.
Corydalis cheilanthifolia Hemsl. is a plant named for its lipfern-like leaves that turn bronze and overwinter, with yellow spring to early summer flowers.
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