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Montana Field Guide

Montana Field Guides

Prairie Coneflower - Ratibida columnifera


Global Rank: G5
State Rank: S4S5

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

External Links






 
General Description
Taprooted perennial herb. Stems erect, often branched, 25–90 cm. Herbage strigose, punctate. Leaves basal and cauline, alternate, petiolate; blades 2–10 cm long, deeply pinnately divided into 3 to 13 oblanceolate, well-separated lobes. Heads radiate, solitary on branch tips; involucres reflexed; phyllaries in 2 series; outer linear-lanceolate, 5–10 mm long; inner short, ovate; receptacle cylindric, 15–35 mm high with small, hirsute scales clasping the flowers. Ray flowers 4 to 12, sterile; ligules yellow (purple), 10–25 mm long. Disk flowers numerous, perfect, greenish, tube shorter than the throat; style branches with a hairy appendage. Pappus of 1 or 2 short teeth. Achenes obconic, 1–3 mm long, compressed, glabrate (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to QC south to AZ, TX, TN and NC (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 102

(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
Grasslands, streambanks, fields, roadsides; plains, 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:
Prairie Coneflower — Ratibida columnifera.  Montana Field Guide.  .  Retrieved on , from