Glaucium

Miller

Gard. Dict. Abr. ed. 4. 1754.

Common names: Horned-poppy sea-poppy
Etymology: Greek glaukos, gray-green, in reference to color of waxy bloom on all parts
Treatment appears in FNA Volume 3.
 TaxonIllustrator 
FNA03 P55 Chelidonium Glaucium Macleaya pg 303.jpegMacleaya cordata
Glaucium flavum
Chelidonium majus
John Myers
John Myers
John Myers

Herbs, annual, biennial, or perennial, caulescent, glaucous, from taproots; sap yellow. Stems leafy, sometimes becoming woody at base. Leaves: basal rosulate, petiolate; cauline alternate, sessile; blades 1-2× pinnately lobed [unlobed]. Inflorescences axillary or terminal, 1-flowered; bracts present. Flowers: sepals 2, distinct; petals 4; stamens many; pistil 2-carpellate; ovary 2-locular; style absent or indistinct; stigma 2-lobed. Capsules erect, 2-valved, dehiscing from apex [base]. Seeds many, dark-brown, reticulate-pitted, embedded in pithy septum, aril absent. x = 6.

Distribution

North America, Europe, c, sw Asia

Discussion

Species 20-25 (2 in the flora).

Selected References

None.

Key

1 Basal leaves few, glabrate to moderately pubescent; blades of distal leaves not distinctly clasping stem; petals orange to reddish orange, usually with blackish basal spot; capsules straight to slightly curved, pubescent or glabrate. Glaucium corniculatum
1 Basal leaves numerous, densely pubescent; distal blades of distal leaves distinctly clasping stem; petals yellow or orange-yellow, sometimes with reddish to violet basal spot; capsules mostly distinctly curved, glabrous, tuberculate, or scabrous. Glaucium flavum
... more about "Glaucium"
Miller +
palmate +  and subpalmate +
Horned-poppy +  and sea-poppy +
North America +, Europe +, c +  and sw Asia +
Greek glaukos, gray-green, in reference to color of waxy bloom on all parts +
sessile +, pedicellate +  and symmetric +
transverse +, poricidal +, valvate +  and dehiscence +
paniculate +  and racemose +
terminal +  and axillary +
sessile +, petiolate +  and simple +
alternate +  and opposite or whorled +
cauline +  and basal +
1-2-locular or +  and incompletely completely multilocular +
distinct +
obovate +
2 times number of sepals +
Gard. Dict. Abr. ed. +
carunculate +  and arillate +
dark-brown +
reticulate-pitted +
distinct +
obovate +
decumbent +, spreading +  and erect +
Glaucium +
Papaveraceae +
perennial +, biennial +  and annual +