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Montana Field Guide

Montana Field Guides

Dusty-maiden - Chaenactis douglasii var. douglasii


Global Rank: G5T5
State Rank: S4

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

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General Description
Biennial to perennial herbs. Stems ascending to erect, 1–50 cm. Herbage tomentose, less so with age, sometimes glandular above. Leaves basal and cauline, petiolate; blades oblong, 1–8 cm long, twice pinnately dissected into small oblong lobes. Heads discoid, 1 to several in corymbose arrays; peduncles 1–8 cm long. Involucres campanulate 8–15 mm high; phyllaries linear-lanceolate, green, 10 to 25, puberulent to tomentose, glandular. Disk flowers perfect, white; corolla 5–7 mm long, the throat longer than the tube; style branches elongate; appendages inconspicuous. Pappus of 4 to 20 hyaline oblong scales (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

We also have variety alpina Gray.

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 18

(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
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Citation for data on this website:
Dusty-maiden — Chaenactis douglasii var. douglasii.  Montana Field Guide.  .  Retrieved on , from