Glaucium flavum Crantz

Yellow Horned Poppy

Stirp. Austr. Fasc. 2: 133 (1763) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Plants biennial or perennial, to 80 cm high; stems branched. Leaf-blades to c. 20 cm long, pinnately lobed, deeply dentate, the lower lyrate, the upper ovate, bases cordate and stem-clasping. Pedicels stout, to 4 cm long. Sepals 20–30 mm long; petals obovate, 25–40 mm long, yellow, sometimes tinged orange, sometimes with a reddish to violet basal spot. Capsules straight or usually arcuate, to 30 cm long, glabrous, tuberculate or scabrous. Flowers Nov.–Mar.

*GipP, *OtP, *VVP, *WaP. Also naturalised SA, NSW, Tas. Native to western and southern Europe to the Black Sea and Transcaucasus in Asia, widely introduced beyond as a ballast waif and occasional garden-escape. Sporadic near the coast (e.g Port Fairy, Geelong, Altona, Phillip Is. etc.) in open, usually low-lying areas on or near shores in sand and calcareous soils.

Source: Kiger, R.W. (1996). Glaucium. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-16
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Ranunculanae
order Ranunculales
family Papaveraceae
genus Glaucium
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Glaucium flavum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Glaucium flavum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Warrnambool Plain present introduced

State distribution

Distribution map
South Australia
New South Wales