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Montana Field Guide

Montana Field Guides

Turpentine Wavewing - Cymopterus terebinthinus
Other Names:  Pteryxia terebinthina

Native Species

Global Rank: G5
State Rank: S3S4

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Subacaulescent with a woody, branched caudex. Herbage glabrous, aromatic. Leaves long-petiolate; blades 2–15 cm long, ovate in outline, tripinnate; ultimate segments crowded, linear to lance-ovate. Umbels solitary; peduncles 7–25 cm long, erect to ascending; rays unequal, 3–30 mm long; involucre absent; involucel bracts linear, scarious, 1–3 mm long, united at the base. Flowers yellow; sepals 0.5–1 mm long. Mericarps glabrous, ovate, 5–8 mm long; ribs with plane to wavy wings 0.5–1 mm wide; oil tubes 3 to 12 per interval (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

We have varieties albiflorus (Torr. & A. Gray) M.E. Jones and foeniculaceus (Torr. & A. Gray) Cronquist.

Species Range

Range Comments
WA to MT, south to CA, NV, UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 27

(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)

Grassland, sagebrush steppe, woodlands; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
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    • 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. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
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Citation for data on this website:
Turpentine Wavewing — Cymopterus terebinthinus.  Montana Field Guide.  .  Retrieved on , from