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Montana Field Guide

Montana Field Guides

Striped Coralroot - Corallorhiza striata

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:
C-value: 5

External Links

General Description
Stems purple, 10–45 cm. Inflorescence with 7 to 25 flowers; bracts 2.5–5 mm long. Flowers: sepals and upper petals 9–16 mm long, cupped forward, white with purple longitudinal stripes; lip petal 8–12 mm long, white, purple-stripped, unlobed, with 2 bumps on the inner surface at the base. Capsule 12–25 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety striata.

Species Range

Range Comments
BC to NL south to CA, AZ, NM, TX and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 42

(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)

Coniferous forest, deciduous woodlands; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Barrett C.F., Freudenstein J.V., Lee Taylor D., and Koljalg U. 2010. "Rangewide analysis of fungal associations in the fully mycoheterotrophic Corallorhiza striata complex (Orchidaceae) reveals extreme specificity on ectomycorrhizal Tomentella (Thelephoraceae) across North America". American Journal of Botany. 97 (4): 628-643.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
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Citation for data on this website:
Striped Coralroot — Corallorhiza striata.  Montana Field Guide.  .  Retrieved on , from