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Montana Field Guide

Montana Field Guides

Woolly Groundsel - Senecio canus
Other Names:  Packera cana


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

External Links






 
General Description
Fibrous-rooted from a simple or branched caudex or simple rhizome. Stems erect to ascending, sometimes branched above, 3–40 cm. Herbage tomentose, sometimes becoming glabrate on upper leaf surfaces. Leaves basal and cauline; basal blades linear-oblanceolate to ovate, entire to dentate, 1–8 cm long; cauline blades lanceolate, often with lobes or teeth, becoming sessile. Inflorescence corymbiform of 2 to 20 heads. Heads radiate; involucres 4–12 mm high; phyllaries 13 to 21, sparsely tomentose, sometimes purplish. Rays 8 to 13; ligules 3–12 mm long. Disk corollas 4–7 mm long. Achenes 2–4 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 248

(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
Often stony soil of grasslands, sagebrush steppe, meadows, open forest, fellfields, talus, roadsides at all elevations; plains, valleys to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Woolly Groundsel — Senecio canus.  Montana Field Guide.  .  Retrieved on , from