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Montana Field Guide

Montana Field Guides

Larger Canadian St. John's-wort - Hypericum majus

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Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 8

External Links

 
General Description
Stems ascending but decumbent, simple or branched, 5–25 cm high. Leaves 10–25 mm long, lanceolate with rounded tips. Flowers: sepals attenuate-lanceolate, 4–7 mm long; petals as long as sepals. Capsule 4–6 mm long with yellow seeds (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
BC to QC south to WA, CO, IL and PA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
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Citation for data on this website:
Larger Canadian St. John's-wort — Hypericum majus.  Montana Field Guide.  .  Retrieved on , from