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Montana Field Guide

Montana Field Guides

Marijuana - Cannabis sativa

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Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Taprooted annual. Stems often branched below, to 1 m. Leaf blades palmately divided into 5 to 9 narrowly lanceolate leaflets, up to 9 cm long. Dioecious. Male flowers with pedicels to 3 mm long; sepals 2–4 mm long; Female flowers enclosed by a glandular bract. Achenes greenish, mottled with purple, 2–5 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout most of U.S.; native to Eurasia (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 9

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

Management


References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
    • Strobel, G.A. 2015. Bioprospecting--fuels from fungi. Biotechnology Letters 37(5): 973-982. doi:10.1007/s10529-015-1773-9
  • Web Search Engines for Articles on "Marijuana"
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Citation for data on this website:
Marijuana — Cannabis sativa.  Montana Field Guide.  .  Retrieved on , from