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Montana Field Guide

Montana Field Guides

Yerba Buena - Satureja douglasii
Other Names:  Clinopodium douglasii

Species of Concern

Global Rank: G5
State Rank: S3
* (see State Rank Reason below)

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

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State Rank Reason (see State Rank above)
Rare in Montana, where it is known from several sites near the Idaho border. It is primarily a coastal species, disjunct in western Montana. Population levels appear healthy and may be increasing in some areas.
 
General Description
Yerba Buena is an aromatic perennial herb borne from a woody rootstock with short ascending branches and creeping above-ground stems which often root. The stems and branches are square in cross-section. The leaves are opposite, have short petioles (stalks), are 1-3.5 cm long and oval to almost round in shape, and have bluntly toothed margins and sunken, resin filled dots on the surfaces. Flowers are borne singly on 5-15 mm long pedicels (stalks) in the leaf axils. The calyx is 4-5 mm long and tubular shaped with 12-15 nerves and 5 teeth. The corolla is tubular with distinct short upper and lower lips at its mouth; it is 7-10 mm long, white to cream or purple-tinged, slightly hairy on the outside, and bears 4 stamens on the inside. There is a single pistil with a long slender style (stalk) that has a 2-branched tip.

Phenology
Flowering in July, fruiting in early August-October.

Diagnostic Characteristics
Distinguished from other mints by combination of creeping stems, bluntly toothed leaf margins, and solitary, axillary, pedicellate flowers, each with a 5-toothed calyx, 2-lipped corolla, and 4 stamens.

Species Range
Present
 


Range Comments
British Columbia to California, east to northern Idaho and northwestern Montana. Peripheral.

Summary of Observations Submitted for Montana
Number of Observations: 51

(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
Partial or deep shade of moist forests in the montane zone, sometimes in second growth.

Ecological Systems Associated with this Species

References
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Citation for data on this website:
Yerba Buena — Satureja douglasii.  Montana Field Guide.  .  Retrieved on , from