Cosmos sulphureus

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Cosmos sulphureus
Cosmos sulphureus at Kadavoor.jpg
Scientific classification
Kingdom:Plantae
(unranked):Angiosperms
(unranked):Eudicots
(unranked):Asterids
Order:Asterales
Family:Asteraceae
Genus:Cosmos
Species:C. sulphureus
Binomial name
Cosmos sulphureus
Cav.
Synonyms[1]
  • Cosmos sulphureus var. exaristatus Sherff
  • Bidens sulphurea (Cav.) Sch.Bip.
  • Cosmos aurantiacus Klatt
  • Cosmos gracilis Sherff
  • Coreopsis artemisifolia Sessé & Moc.
  • Cosmea sulphurea (Cav.) Willd.
  • Bidens artemisiifolia f. grandiflora Kuntze
  • Bidens artemisiifolia subsp. intermedia Kuntze
  • Cosmos artemisiifolius (Jacq.) M.R.Almeida
  • Coreopsis artemisiifolia Jacq.
  • Cosmos sulphureus var. hirsuticaulis Sherff
  • Bidens artemisiifolia f. parviflora Kuntze
  • Bidens artemisiifolia var. rubra Kuntze
  • Bidens artemisiifolia f. rubra Kuntze
  • Bidens artemisiifolia (Jacq.) Kuntze
  • Bidens sulfurea (Cav.) Sch.Bip.
 
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Cosmos sulphureus
Cosmos sulphureus at Kadavoor.jpg
Scientific classification
Kingdom:Plantae
(unranked):Angiosperms
(unranked):Eudicots
(unranked):Asterids
Order:Asterales
Family:Asteraceae
Genus:Cosmos
Species:C. sulphureus
Binomial name
Cosmos sulphureus
Cav.
Synonyms[1]
  • Cosmos sulphureus var. exaristatus Sherff
  • Bidens sulphurea (Cav.) Sch.Bip.
  • Cosmos aurantiacus Klatt
  • Cosmos gracilis Sherff
  • Coreopsis artemisifolia Sessé & Moc.
  • Cosmea sulphurea (Cav.) Willd.
  • Bidens artemisiifolia f. grandiflora Kuntze
  • Bidens artemisiifolia subsp. intermedia Kuntze
  • Cosmos artemisiifolius (Jacq.) M.R.Almeida
  • Coreopsis artemisiifolia Jacq.
  • Cosmos sulphureus var. hirsuticaulis Sherff
  • Bidens artemisiifolia f. parviflora Kuntze
  • Bidens artemisiifolia var. rubra Kuntze
  • Bidens artemisiifolia f. rubra Kuntze
  • Bidens artemisiifolia (Jacq.) Kuntze
  • Bidens sulfurea (Cav.) Sch.Bip.

Cosmos sulphureus is also known as Sulfur Cosmos and Yellow Cosmos. It is native native to Mexico, Central America, and northern South America, and naturalized in other parts of North and South America as well as in Europe, Asia, and Australia.[2][3]

Cosmos sulphureus, buds, flower and leaves

This species of Cosmos is considered a half-hardy annual, although plants may re-appear via self-sowing for several years. Its foliage is opposite and pinnately divided. The plant height varies from one to seven feet. The original and its cultivars appear in shades of yellow, orange, and red. It is especially popular in Korea and Japan, where it is often seen in mass plantings along roadsides, following an initiative pursued by the Korean-Japanese botanist Woo Jang-choon.

This plant was declared invasive by the United States Southeast Exotic Pest Plant Council in 1996.[4]

Some of the varieties of Cosmos sulphureus in cultivation today include:

Growth characteristics of this plant include[5]

The flowers of all Cosmos attract birds and butterflies, including the Monarch butterfly. Cosmos sulphureus is featured in the 1997 Japanese film Remembering the Cosmos Flower.

References[edit]

  1. ^ Flann, C (ed) 2009+ Global Compositae Checklist
  2. ^ Flora of North America, Vol. 21 Page 205 Cosmos sulphureus Cavanilles, Icon. 1: 56, plate 79. 1791.
  3. ^ Flora of China Vol. 20-21 Page 857 硫磺菊 liu huang ju Cosmos sulphureus Cavanilles, Icon. 1: 56. 1791.
  4. ^ US Department of Agriculture Plant Profile of Cosmos sulphureus
  5. ^ Plant Answers, Texas A&M University, Cosmos history and cultivation

External links[edit]