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Montana Field Guide

Montana Field Guides

American Plum - Prunus americana


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Shrub to 5 m, spreading by rhizomes and forming thickets. Twigs glabrous to puberulent, reddish, becoming gray, forming thorns. Leaf blades ovate to lanceolate, 5–10 cm long, acuminate, glabrous beneath. Inflorescence 2 to 5 pedicellate flowers on short branch tips before leaves appear. Flowers: hypanthium obconic, glabrous, ca. 3 mm long; sepals lanceolate, puberulent, glandular, 3–4 mm long, reflexed; petals 5–7 mm long. Drupe a plum, 2–3 cm long, yellowish to purple, glaucous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
SK to QC south to AZ, NM, LA and FL (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 3

(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
Riparian thickets, woodlands, cool slopes; 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:
American Plum — Prunus americana.  Montana Field Guide.  .  Retrieved on , from