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Montana Field Guide

Montana Field Guides

Cut-leaved Coneflower - Rudbeckia laciniata


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

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General Description
Stems 50–200 cm. Herbage glabrate, glaucous. Leaf blades ovate, 10–25 cm long, deeply divided into 3 to 5 lobes or serrate leaflets; ultimate segments lanceolate; uppermost leaves ovate to lanceolate. Heads radiate; phyllaries ovate to lanceolate, minutely ciliate, 5–15 mm long; receptacle hemispheric to conic, 10–25 mm high. Rays 8–12; ligules pubescent, 2–4 cm long. Disk corollas yellowish, 4–5 mm long. Achenes 3–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety ampla (A. Nelson) Cronquist.

Species Range
Present
 


Range Comments
Throughout temperate N. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 5

(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 meadows, often along streams; 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:
Cut-leaved Coneflower — Rudbeckia laciniata.  Montana Field Guide.  .  Retrieved on , from