Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

William's Conimitella - Conimitella williamsii

Native Species

Global Rank: G4
State Rank: S4
(see State Rank Reason below)

Agency Status
MNPS Threat Rank:
C-value: 5

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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



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

Stony, usually calcareous soil of grasslands, open forest, meadows; montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Login Logout
Citation for data on this website:
William's Conimitella — Conimitella williamsii.  Montana Field Guide.  .  Retrieved on , from