Caucalis platycarpos is a species of flowering plant in the family Apiaceae, the only member of the genus Caucalis. Common names are carrot bur parsley, small bur-parsley, and burr parsley.[1] It is native to Europe, North Africa, and the Middle East as far east as Iran.[2] [3]
Caucalis platycarpos is an annual up to tall with trailing stems. Leaves are highly divided into many small leaflets. Flowers are produced in an umbel of 2 to 5 flowers, each with white or pink petals. The fruit is an oblong capsule with many hooked spines on the surface.[2] [4]
It is distributed in southwest Asia, North Africa and most of central and Southern Europe; almost all of the Iberian Peninsula.
It is found in crop fields, fallows and nitrophilous grasslands. Preferably in basic substrates at an altitude of 100-1000 (1600) meters. Flowering occurs in March - June (July) and fruiting in May - August.