Montana Field Guide

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Montana Field Guides

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- Kingdom - Plants - Plantae
  - Division - Flowering Plants - Anthophyta
    - Class - Dicots - Dicotyledoneae
      - Order - Aster/Sunflowers - Asterales
        
        Family - Aster/Sunflowers - Asteraceae
        
        Species - Cut-leaved Coneflower - Rudbeckia laciniata

Cut-leaved Coneflower - Rudbeckia laciniata

Global Rank: G5
State Rank: SNR

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

External Links

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

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
Web Search Engines for Articles on "Cut-leaved Coneflower"
Additional Sources of Information Related to "Dicots"
- Tree Species Range Maps
- Tree Species Range Maps

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Citation for data on this website:
Cut-leaved Coneflower — Rudbeckia laciniata. Montana Field Guide. Montana Natural Heritage Program. Retrieved on October 17, 2017, from http://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDAST85090