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Tansy-leaf Evening-primrose - Camissonia tanacetifolia
Other Names:
Oenothera tanacetifolia, Taraxia tanacetifolia
State Rank Reason (see State Rank above)
Reported for Montana (Hitchcock & Cronquist 1973). A couple historical collections from Gallatin County exist. However, more information is needed to determine the status of the species in the state.
General Description
Taprooted, acaulescent perennial. Herbage glabrate. Leaves petiolate, all basal; the blade narrowly lanceolate, deeply pinnately lobed, 5–20 cm long. Flowers sessile in axils of leaves; hypanthium 2–5 cm mm long, the upper expanded portion 3–7 mm long; sepals 6–13 mm long reflexed; petals 1–2 cm long; stigma globose, slightly lobed. Capsule sessile, narrowly ovoid, 4-angled, 10–25 mm long, glabrate, slightly curved with a beak 5–15 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Wagner et al. (2007, Syst. Bot. Mongr. Vol. 83) treat this as
Taraxia tanacetifolia (Torr. & A. Gray) Piper.
Species Range
Montana Range
Range Descriptions
Native
Range Comments
WA to MT south to CA, NV, ID. Collected in Gallatin and Madison counties (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 4
(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
Stewardship Responsibility
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?- 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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