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Montana Field Guide

Montana Field Guides

Yellow Owl's-clover - Orthocarpus luteus

Native Species

Global Rank: G5
State Rank: S4S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Stems erect, usually simple,7–25 cm. Herbage hirsute and glandular-pubescent. Leaves numerous, linear, entire, 1–3 cm long. Inflorescence bracts dark green, lanceolate to narrowly ovate with a pair of linear lobes. Flowers: calyx 5–8 mm long, ultimate lobes 1–3 mm long, those adjacent to the galea longer; corolla 9–14 mm long, yellow, galea 2–4 mm long, lower lip equal to the lower lip. Capsule 4–7 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 333

(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)


  • 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.
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Citation for data on this website:
Yellow Owl's-clover — Orthocarpus luteus.  Montana Field Guide.  .  Retrieved on , from