Rahul Sharma (Editor)

Cosmos atrosanguineus

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Kingdom  Plantae
Tribe  Heliantheae
Scientific name  Cosmos atrosanguineus
Rank  Species
Order  Asterales
Genus  Cosmos
Higher classification  Cosmos
Cosmos atrosanguineus pacificbulbsocietyorgpbswikifilesCosmosCosmos
Similar  Cosmos, Berlandiera lyrata, Daisy family, Cosmos sulphureus, Cosmos bipinnatus

Plant pick chocolate cosmos


Cosmos atrosanguineus, the chocolate cosmos, is a species of Cosmos, native to Mexico, where it is extinct in the wild. The species was introduced into cultivation in 1902, where it survives as a single clone reproduced by vegetative propagation.

Contents

Cosmos atrosanguineus Cosmos atrosanguineus Lambley Nursery

Cosmos atrosanguineus is a herbaceous perennial plant growing to 40–60 cm tall, with a fleshy tuberous root. The leaves are 7–15 cm long, pinnate, with leaflets 2–5 cm long. The flowers are produced in a capitulum 3-4.5 cm diameter, dark red to maroon-dark brown, with a ring of six to ten (usually eight) broad ray florets and a center of disc florets; they have a light vanillin fragrance (like many chocolates), which becomes more noticeable as the summer day wears on.

Cosmos atrosanguineus Pacific Bulb Society Cosmos

Toiletspoon cosmos cosmos atrosanguineus 15 19 old tape3


Cultivation and uses

Cosmos atrosanguineus Cosmos atrosanguineus Wikipedia

The single surviving clone is a popular ornamental plant, grown for its rich dark red-brown flowers. It is not self-fertile, so no viable seeds are produced, and the plant has to be propagated by division of the tubers, or by tissue culture.

Cosmos atrosanguineus Cosmos atrosanguineus Chocolate Cosmos Dobbies Garden Centres

It requires partial sun or full sun, and flowers from mid to late summer. It is frost-sensitive (Zones 6-11); in temperate zones, the tuber has to be dug up and stored in a frost-free store over the winter.

References

Cosmos atrosanguineus Wikipedia


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