Illinois Natural History Survey - University of Illinois

Cannabis sativa
Pot, Marijuana, Hemp
Taxonomy

Synonyms:

Subspecific taxa:

Classification:

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 [?]

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F
0
M
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A
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M
0
J
0
J
0
A
0
S
0
O
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N
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D
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Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Asia

Species Description

General: Dicot-herb, annual

Roots: primary

Shoots: alternate leaf arrangment; compound, pinnately leaf type; serrate leaf margin; Pinnate leaf venation; oblong, hastate leaf shape

Inflorescence: panicle

Flowers: unisexual, dioecious; 5 merous; incomplete, not petals, regular; green; hypogynous ovary position

Fruit: achene

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Species is most commonly distributed in rich fertile alluvial floodplain and valley bottoms near streams; open and waste ground; ditches.

ILPIN Notes: Species is usually dioecious. This pistillate plant is fibrous and narcotic; used as bird seed; as drying oil for soaps, paints, and varnishes, and illuminating oil. Its seeds are also parched and used in fry-cakes (Medsger); Resin tetrahydrocannabinol. is found in this species (Stephens). Stephens, H.A. 1980. Poisonous Plants of the Central United States. Regent Press of Kansas. Lawrence, KA. 165 pp. Species is found in large stands, in aspect superficially similar to Giant Ragweed (Ambrosia trifida). Species is occasional throughout the state; although apparently is less common in southernmost counties.

Functional Relationships:

  • Pollinators insects (wind)

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State:
  • Chicago Area:

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