Cosmos (plant)
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Cosmos sulphureus
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Cosmos is a genus of about 20-26 species of annual and perennial plants in the family Asteraceae, native to scrub and meadow areas in Mexico (where the bulk of the species occur), the southern United States (Arizona, Florida), Central America and northern South America south to Paraguay.
They are herbaceous perennial plants growing 0.3-2 m tall. The leaves are simple, pinnate, or bipinnate, and arranged in opposite pairs. The flowers are produced in a capitulum with a ring of broad ray florets and a center of disc florets; flower color is very variable between the different species.
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[edit] Selected species
- Cosmos atrosanguineus
- Cosmos bipinnatus
- Cosmos caudatus
- Cosmos diversifolius
- Cosmos herzogii
- Cosmos parviflorus
- Cosmos peucedanifolius
- Cosmos scabiosoides
- Cosmos sulphureus
[edit] Cultivation and uses
The genus includes several ornamental plants popular in gardens, including Cosmos bipinnatus (commonly called just "Cosmos", and also known as "Mexican Aster"), C. atrosanguineus ("Chocolate Cosmos") and Cosmos sulphureus ("Yellow Cosmos"). Numerous hybrids and cultivars have been selected and named.
[edit] Gallery
Cosmos spp. infected with phytoplasma causing phyllody |