IDENTIFICATION OF YELLOW COSMOS (Cosmos sulphureus)

 YELLOW COSMOS (Cosmos sulphureus)

Cosmos sulphureus is also known as sulfur cosmos and yellow cosmos. It is 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.

Morphological character

Habitus: terrestrial. Leaf : simple; there are two leaves per node along the stem; the edge of the leaf blade has lobes; leaf blade length 50–250 mm. Flower: the flower head has tubular disk flowers in the center and ray flowers; these often strap-shaped; around the periphery; color yellow.

Classification

Kingdom           :           Plantae

Clade                 :           Tracheophytes

Clade                 :           Angiosperms

Clade                 :           Eudicots

Clade                 :           Asterids

Order                 :           Asterales

Family                :           Asteraceae

Genus                :           Cosmos

Species   :           C. sulphureus