Cosmos atrosanguineus, also called "Chocolate Cosmos", is a maroon-dark brown colored flower that has a light chocolate fragrance, which becomes more noticeable as the summer day wears on. It is a native Californian plant. Its mature height is 18" to 24". It requires partial sun or full sun. It blooms July to September. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also angiosperms or Magnoliophyta) are one of the major groups of modern plants, comprising those that produce seeds in specialized reproductive organs called flowers, where the ovulary or carpel is enclosed. ... Magnoliopsida is the botanical name for a class: this name is formed by replacing the termination -aceae in the name Magnoliaceae by the termination -opsida (Art 16 of the ICBN). ... Families See text The Asterales are an order of dicotyledonous flowering plants which include the composite family Asteraceae (sunflowers and daisies) and its related families. ... Genera many, see list The aster or sunflower family (Family Asteraceae or, alternatively Family Compositae) is a taxon of dicotyledonous flowering plants. ... Species See text The Helianthus L. genus comprises 67 species and several subspecies in the Asteraceae family, all of which are native to North America. ... Species Cosmos atrosanguineus Cosmos bipinnatus Cosmos sulphureus et al Cosmos is a genus of about twenty species of annual and perennial plants of the Asteraceae family, including the garden flowers Cosmos bipinnatus (also known as Mexican Aster),Cosmos atrosanguineus (Chocolate Cosmos) and Cosmos sulphureus (Yellow Cosmos). They are native to... In biology, binomial nomenclature is the formal method of naming species. ... Sir William Jackson Hooker (July 6, 1785 - August 12, 1865) was an English botanist. ... Official language(s) English Capital Sacramento Largest city Los Angeles Area  - Total   - Width   - Length   - % water  - Latitude  - Longitude Ranked 3rd 158,302 sq mi  410,000 km² 250 miles  402. ...