Glaucium corniculatum

(Linnaeus) Rudolph

Fl. Jen., 13. 1781

Basionyms: Chelidonium corniculatum Linnaeus Sp. Pl. 1: 506. 1753
Treatment appears in FNA Volume 3.
Plants annual or occasionally biennial, to 5 dm. Stems branching. Leaves to 25 cm; basal few, blade glabrate to moderately pubescent; basal and proximal cauline with blade lyrate, 7-9-lobed; distal with blade ovate, not distinctly clasping stem (sometimes slightly cordate-clasping); margins deeply dentate. Flowers: pedicels stout, to 5 cm; sepals 15-30 mm; petals orange to reddish orange, usually with blackish basal spot, obovate, to 40 mm. Capsules sublinear, straight or slightly curved, to 25 cm, appressed- to ascending-pubescent or glabrate.

Phenology: Flowering late spring–summer.
Habitat: Open shores, fields, pastures, and canyon slopes
Elevation: 0-1600 m


V3 1056-distribution-map.gif

Kans., Mont., Nev., N.Y., Oreg., Pa., Tex., Europe, sw Asia.


Glaucium corniculatum has been widely introduced outside its native Eurasian range as a crop weed and ballast waif. It can persist in a fairly broad range of climates and probably is established in North America more widely than existing herbarium records indicate.



Lower Taxa

No lower taxa listed.

Facts about "Glaucium corniculatum"
Authority(Linnaeus) Rudolph +
BasionymsChelidonium corniculatum +
DistributionKans. +, Mont. +, Nev. +, N.Y. +, Oreg. +, Pa. +, Tex. +, Europe + and sw Asia. +
Elevation0-1600 m +
HabitatOpen shores, fields, pastures, and canyon slopes +
IllustratorJohn Myers +
Introducedtrue +
PhenologyFlowering late spring–summer. +
Publication titleFl. Jen., +
Publication year1781 +
ReferenceNone +
Source xml grained fna xml/V3/V3 1056.xml +
Special statusWeedy + and Introduced +
Taxon familyPapaveraceae +
Taxon nameGlaucium corniculatum +
Taxon parentGlaucium +
Taxon rankspecies +
VolumeVolume 3 +