Coleostephus myconis, known as the corn marigold, is an annual herbaceous plant belonging to the genus Coleostephus of the family Asteraceae.
Coleostephus myconis is an annual plant that reaches a height of 20cm-50cmcm (10inches-20inchescm).[1] It is glabrous to hairy, the stem is erect, usually branched. The lower leaves are spatulate. the median ones are lanceolate, dentate, more or less amplexicaul. Inflorescences are orange-yellow, about 2cm-3cmcm (01inches-01inchescm) wide, solitary and terminal.[1] The flowering period extends from April to July.[1]
C. myconis occurs in the Mediterranean region of southern Europe. It usually grows in grassy fields, at altitudes of 0-.[1] It has also been introduced in the south of Brazil, Argentina and Uruguay, where it is considered an invasive species.[1] [2] [3]