Coleostephus myconis

Coleostephus myconis, known as the corn marigold, is an annual herbaceous plant belonging to the genus Coleostephus of the family Asteraceae.

Coleostephus myconis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Coleostephus
Species:
C. myconis
Binomial name
Coleostephus myconis
Synonyms [2]
  • Chrysanthemum myconis L.
  • Myconia myconis (L.) Briq.
  • Pyrethrum myconis (L.) Moench

Description

Coleostephus myconis is an annual plant that reaches a height of 20–50 centimetres (8–20 in).[2][3] It is glabrous to hairy, the stem is erect, usually branched.[2] The lower leaves are spatulate.[2] the median ones are lanceolate, dentate,[2] more or less amplexicaul.[2] Inflorescences are orange-yellow, about 2–3 centimetres (0.8–1.2 in) wide, solitary and terminal.[3] The flowering period extends from April to July.[3]

Distribution and ecology

C. myconis occurs in the Mediterranean region of southern Europe. It usually grows in grassy fields, at altitudes of 0–800 metres (0–2,625 ft).[3] It has also been introduced in the south of Brazil, Argentina and Uruguay, where it is considered an invasive species.[2][3][4][5]

References
  1. Biolib
  2. Coleostephus myconis at Unité de Malherbologie & Agronomie
  3. Pignatti S. - Flora d'Italia (3 vol.) - Edagricole – 1982, Vol. III, p. 88
  4. Coleostephus myconis at Zipcodezoo
  5. Coleostephus myconis by Weed Science Society of America
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