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Montana Field Guide

Montana Field Guides

Hyssop - Hyssopus officinalis

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Rhizomatous perennial. Stems erect, 30–60 cm, puberulent, woody at the base. Leaves subsessile, narrowly lanceolate, 1–3 cm long, entire. Inflorescence of congested verticillasters in axils of leaf-like bracts. Flowers: calyx 6–8 mm long, 15-nerved, the lobes ca. half as long as tube; corolla deep blue, ca. 1 cm long, bilabiate, lower lip longer; stamens 4 (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced from Eurasia for medicinal purposes and sporadically escaped in temperate North America. Known from Lake and Flathead counties (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 6

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
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Citation for data on this website:
Hyssop — Hyssopus officinalis.  Montana Field Guide.  .  Retrieved on , from