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Montana Field Guide

Montana Field Guides

Spurred Gentian - Halenia deflexa


Global Rank: G5
State Rank: S4

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

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General Description
Spurred Gentian is a glabrous annual herb with erect, simple or branched stems that are 5-30 cm high. The opposite, lance-shaped leaves are 2-4 cm long and have entire margins. The basal leaves have short petioles, while the upper are sessile. Loose clusters of 2-9 yellowish to purplish green flowers arise from the stem tips and from the axils of the upper leaves. Each flower has 4 narrow sepals that are ca. 5 mm long and a broadly tubular, deeply 4-lobed corolla that is 6-12 mm long with a spur at the base of each lobe. The cone-shaped seed capsule protrudes beyond the corolla at maturity.

Phenology
Flowering in July.

Species Range
Present
 


Range Comments
BC to NS south to MT, SD, MI, NY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 85

(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
Moist, often moderately disturbed soil of openings and meadows in coniferous forests in the valley and montane zones.

References
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Citation for data on this website:
Spurred Gentian — Halenia deflexa.  Montana Field Guide.  .  Retrieved on , from