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Montana Field Guides

Pennsylvania Pellitory - Parietaria pensylvanica

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Native Species

Global Rank: G5
State Rank: SNR
C-value: 3


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Annual with sparsely short-hairy foliage. Stems simple to branched, 5–30 cm. Leaves alternate; the blades 5–40 mm long, narrowly elliptic with entire margins. Flowers male and female mixed in axillary clusters subtended by linear bracts 2–5 mm long; female flowers with a tufted stigma. Achenes smooth, shiny, ca. 1 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
Scattered across much of MT but infrequent along Hi Line; YK, MB, ON and QC, southwest Canada through most of U.S. to Mexico (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX; Boufford 1997 in Fl. N. Amer. Vol. 3).

Observations in Montana Natural Heritage Program Database
Number of Observations: 71

(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
Shaded, often disturbed soil of open forest, stream banks, beneath shrubs or rocks, occasionally epiphytic in humus of deciduous tree crotches; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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?
    • Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
    • 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.
  • Web Search Engines for Articles on "Pennsylvania Pellitory"
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Citation for data on this website:
Pennsylvania Pellitory — Parietaria pensylvanica.  Montana Field Guide.  .  Retrieved on , from