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Montana Field Guides

William's Conimitella - Conimitella williamsii

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Native Species

Global Rank: G4
State Rank: S4
(see State Rank Reason below)
C-value: 5


Agency Status
USFWS:
USFS:
BLM:


 

External Links

State Rank Reason (see State Rank above)
Regional endemic genus, numerous collections from several counties. Habitat probably mostly secure (high elevation meadows).
 
General Description
Perennial herbs from simple, ascending, scaly rootstocks. Stems simple, leafless, glandular-puberulent, 20–60 cm. Leaves long-petiolate in a basal rosette; the blades orbicular, cordate with crenulate margins, 1–5 cm wide, glabrous except for curved, marginal cilia, purplish beneath. Inflorescence a 6- to 12-flowered, small-bracted, glandular, spike-like raceme. Flowers 5-merous, regular, perfect, perigynous, obconical; calyx 4–7 mm long with oblong lobes ca. 1 mm long; petals white, 4–5 mm long, clawed; stamens 5, equaling the calyx lobes. Fruit 2 capsules mostly inferior; seeds numerous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
A regional endemic of MT, northern WY, and eastern ID.

Observations in Montana Natural Heritage Program Database
Number of Observations: 5

(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
Stony, usually calcareous soil of grasslands, open forest, meadows; montane (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?
    • Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.
    • Clark, D. 1991. The effect of fire on Yellowstone ecosystem seed banks. M.Sc. Thesis. Montana State University, Bozeman. 115 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.
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Citation for data on this website:
William's Conimitella — Conimitella williamsii.  Montana Field Guide.  .  Retrieved on , from