Yellow hornpoppy

Glaucium flavum

"Glaucium flavum" is a summer flowering plant in the Papaveraceae family, which is native to Northern Africa, Macronesia, temperate zones in Western Asia and the Caucasus, as well as Europe.
Yellow Horned Poppy  Glaucium flavum,Santorini,Yellow hornpoppy,greece

Appearance

The thick, leathery deeply segmented, wavy, bluish-grey leaves are coated in a layer of water retaining wax. The sepal, petals and stamen have a similar structure and form to the Red Poppy except the sepals are not hairy. Prolific quantities of seeds are held in a distinctive horn shaped fruit some 15 to 30 cm in length, which is divided into two chambers.
Yellow hornpoppy - Glaucium_flavum Blanc-Nez, France (July, 2016)  France,Geotagged,Glaucium flavum,Summer,Yellow hornpoppy

Distribution

Habitat: the plant grows on the seashore and is never found inland. All parts of the plant, including the seeds, are toxic and can produce a range of symptoms up to and including respiratory failure resulting in death. It is a noxious weed in some areas of North America, where it is an introduced species.
Yellow hornpoppy - Glaucium flavum Nea Kria Vrisi, Crete. Geotagged,Glaucium flavum,Greece,Spring,Yellow hornpoppy

Uses

Glaucine is the main alkaloid component in "Glaucium flavum"....hieroglyph snipped... Glaucine has bronchodilator and antiinflammatory effects, acting as a PDE4 inhibitor and calcium channel blocker, and is used medically as an antitussive in some countries. Glaucine may produce side effects such as sedation, fatigue, and a hallucinogenic effect characterised by colourful visual images, and has recently been detected as a recreational drug.
For a detailed bibliography on Glaucine and Glaucium flavum see:

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderRanunculales
FamilyPapaveraceae
GenusGlaucium
SpeciesG. flavum