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Short-flower Evening-primrose - Camissonia breviflora
Other Names:
Oenothera breviflora, Taraxia breviflora
Native Species
Global Rank:
G5
State Rank:
S3S4
(see State Rank Reason below)
C-value:
5
Agency Status
USFWS:
USFS:
BLM:
External Links
State Rank Reason (see State Rank above)
Camissonia breviflora is found in many counties and the most recent of observations indicate that where the plant is found it can be common.
- Details on Status Ranking and Review
Population Size
ScoreU - Unknown
Range Extent
ScoreF - 20,000-200,000 sq km (~8,000-80,000 sq mi)
Area of Occupancy
ScoreD - 6-25 4-km2 grid cells
Number of Populations
ScoreB - 6 - 20
Number of Occurrences or Percent Area with Good Viability / Ecological Integrity
ScoreC - Few (4-12) occurrences with excellent or good viability or ecological integrity
Environmental Specificity
ScoreC - Moderate. Generalist or community with some key requirements scarce
Long-term Trend
ScoreU - Unknown
Trends
ScoreU - Unknown
Threats
ScoreU - Unknown
CommentThreats: Unknown/undetermined.
Intrinsic Vulnerability
ScoreC - Not intrinsically vulnerable
General Description
Plant: Short-lived acaulescent perennial (Lesica 2012), growing in a low tuft (caespitose) from a long taproot (Hitchcock et al. 1961), sometimes spreading by roots. Herbage nearly glabrous (without hairs) to strigose (hairs flat against the stem pointing unidirectionally) (Lesica 2012).
Leaves: All are basal, with blades narrowly lanceolate, deeply pinnately lobed, 3–10 cm long (Lesica 2012), 5-15 mm wide, and tapering to petioles ca ½ to 2/3 the length of the blade (Hitchcock et al. 1961).
Inflorescence: Flowers sessile in leaf axils (Lesica 2012).
(Lesica's contribution adapted from
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Range Comments
BC to SK south to NV, UT and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 22
(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
Dry meadows (Hitchcock et al. 1961), moist, often calcareous soil of ephemeral wetlands, stream and pond margins; montane, subalpine (Lesica 2012)
(Lesica's contribution adapted from
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Reproductive Characteristics
Flowers: Hypanthium 6–15 mm long (Lesica 2012), several times the length of the ovary (Hitchcock et al. 1961), the upper expanded portion 1–2 mm long (Lescia 2012), persistent on the fertile part of the ovary (Hitchcock et al. 1961); sepals 3–5 mm long, reflexed (Lesica 2012); petals yellow, not drying to purple (unlike some others in the genus), 3–8 mm long; stamens of two heights, the taller ones a little over half the petal length; style about same height as petals (Hitchcock et al. 1961); stigma globose, slightly lobed (Lesica 2012).
Fruit: Capsule leathery, hairy (Hitchcock et al. 1961), sessile, narrowly ovoid, 10–15 mm long, slightly curved with a beak 5–10 mm long (Lesica 2012).
(Lesica's contribution adapted from
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
References
- Literature Cited AboveLegend:
View Online Publication
Hitchcock, C. L., A. Cronquist, M. Ownbey, and J. W. Thompson. 1961. Vascular Plants of the Pacific Northwest, Part 3. Saxifragaceae to Ericaceae. Seattle, WA and London, England: University of Washington. 614 pp.- 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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