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Montana Field Guide

Montana Field Guides

American Trailplant - Adenocaulon bicolor


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

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General Description
Fibrous-rooted perennial. Stems erect, simple, 30–70 cm, tomentose. Leaves alternate, petiolate; blades 3–15 cm long, deltoid, cordate, dentate to shallowly lobed, glabrous above, tomentose beneath. Inflorescence an open panicle, minutely bracteate, stipitate-glandular. Heads discoid; involucre 1–2 mm long; phyllaries ca. 5, ovate, green, ciliate; receptacle hemispheric, naked. Disk flowers white, the outer female, the inner functionally male; corolla ca. 1 mm long; style branches short or absent. Pappus absent. Achenes linear-oblong, 5–8 mm long, stipitate-glandular above (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 68

(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
Moist to wet forest, especially in lightly disturbed areas such as along trails; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
American Trailplant — Adenocaulon bicolor.  Montana Field Guide.  .  Retrieved on , from