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Montana Field Guide

Montana Field Guides

Slim-pod Venus'-looking-glass - Triodanis leptocarpa
Other Names:  Specularia leptocarpa

Species of Concern

Global Rank: G5?
State Rank: S3
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

External Links






State Rank Reason (see State Rank above)
Triodanis leptocarpa is common in the southern Great Plains and extends into eastern and central Montana. It occurs in grasslands, grass-dominated rocky slopes, and sagebrush-dominated grasslands. It has been found in grazed and ungrazed lands and appears to tolerate some disturbance. Approximately 14 locations were documented prior to 1958 and occur in central Montana. Approximately 14 locations were documented since 1974 and mostly occur in eastern Montana. Re-visits to known locations and current population data is greatly needed.
 
General Description
Stems erect, simple or branched, 5–40 cm. Herbage sparsely short-hispid. Leaves lanceolate or oblanceolate, entire to obscurely crenate, sessile, 7–25 mm long. Inflorescence with clusters of 1 to 3 sessile flowers in axils of linear bracts; lower flowers cleistogamous. Chasmogamous flowers: sepals linear, 6–12 mm long; corolla deep blue, 5–8 mm long. Capsule linear, 14–20 mm long for chasmogamous flowers, 8–15 mm long for cleistogamous flowers (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
MT to IN south to TX and AR (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 28

(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

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.
    • McGregor, R.L., coordinator, and T.M. Barkley, R.E. Brooks, and E.K. Schofield, eds.: Great Plains Flora Association. 1986. Flora of the Great Plains. Lawrence, KS: Univ. Press Kansas. 1392 pp.
  • Additional ReferencesLegend:   View Online Publication
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    • Britton, N. L. and A. B. Brown. 1913. An Illustrated Flora of the Northern United States, Canada, and the British Possessions. 2nd Edition in 3 Volumes. New York, NY: Charles Scribner's Sons. B13BRI01PAUS.
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  • Additional Sources of Information Related to "Dicots"
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Citation for data on this website:
Slim-pod Venus'-looking-glass — Triodanis leptocarpa.  Montana Field Guide.  .  Retrieved on , from