Illinois Natural History Survey - University of Illinois

Cosmos bipinnatus
Common cosmos, Garden cosmos
Taxonomy

Synonyms:

Subspecific taxa:

Classification:

  • Magnoliophyta

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Images

   
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Species Distribution
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County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: South America

Species Description

General: Dicot-herb, annual

Roots:

Shoots: alternate, opposite leaf arrangment; compound, pinnately leaf type; entire leaf margin; Pinnate leaf venation; awl-shaped leaf shape

Inflorescence: head

Flowers: perfect; complete, regular, irregular; red, violet, white; epigynous ovary position

Fruit: achene

Physiology: autotrophic

Ecology & Natural History

Habitat: Species escaped from cultivation in waste ground and along railroads.

ILPIN Notes: Disk florets are perfect and fertile; ray florets are sterile. Species is a common garden plant. Species was introduced from Mexico.

Functional Relationships:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: high

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State:
  • Chicago Area:

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