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Montana Field Guide

Montana Field Guides

Pennsylvania Pellitory - Parietaria pensylvanica


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

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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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX; Boufford 1997 in Fl. N. Amer. Vol. 3).

Summary of Observations Submitted for Montana
Number of Observations: 31

(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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Pennsylvania Pellitory — Parietaria pensylvanica.  Montana Field Guide.  .  Retrieved on , from