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Montana Field Guide

Montana Field Guides

Felwort - Swertia perennis

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Native Species

Global Rank: G5
State Rank: S4
C-value: 7


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Glabrous perennial with short rhizomes and fibrous roots. Stems ascending to erect, simple, 5–40 cm. Leaves oblanceolate; basal petiolate, 2–25 cm long; cauline sessile, 1–15 mm long. Inflorescence of few-flowered axillary cymes. Flowers 5-merous, rotate; pedicels 1–5 cm long; calyx 4–8 mm long, divided to near the base, the lobes lanceolate; corolla blue to violet, divided to near the base; petals 8–12 mm long, each with 2 dark, fimbriate glands at the base; style short; stigma 2-lobed. Capsule ovoid, 10–13 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
Circumboreal, south to CA, NV, UT and NM (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 54

(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
Wet, usually non-calcareous soil of meadows, fens, thickets, often along streams, around ponds; montane to alpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Felwort"
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Citation for data on this website:
Felwort — Swertia perennis.  Montana Field Guide.  .  Retrieved on , from