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Montana Field Guide

Montana Field Guides

Piper's Oregon-grape - Berberis aquifolium
Other Names:  Mahonia aquifolium


Global Rank: G5
State Rank: SNR

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

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General Description
Stoloniferous, similar to B. repens. Stems sometimes erect, 15–100 cm. Leaves to 20 cm long, pinnately divided into 5 to 9 ovate leaflets. Leaflets more than twice as long as wide, often glossy below, not white-papillose, 3–8 cm long with 12 to 29 prominent spinulose teeth. Flowers with sepals 6–8 mm long. Fruit blue, 7–14 mm long. (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
BC to CA, ID, MT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
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Citation for data on this website:
Piper's Oregon-grape — Berberis aquifolium.  Montana Field Guide.  .  Retrieved on , from