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Montana Field Guide

Montana Field Guides

Narrow-leaved Purple Coneflower - Echinacea angustifolia


Global Rank: G4
State Rank: S4

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

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General Description
Perennial from a branched, woody taproot. Stems erect, 15–50 cm, mostly unbranched. Herbage hirsute. Leaves basal and alternate on the stem, petiolate; blades linear-lanceolate to oblanceolate, 5–15 cm long, entire. Heads solitary, radiate; involucres hemispheric, 10–15 mm high; phyllaries in 2 to 4 subequal series, ovate with spreading, acuminate tips; receptacle hemispheric with stiff, pointed, dark scales between the flowers. Ray flowers 8 to 21, sterile, light purple; ligules 1–3 cm long, reflexed. Disk flowers perfect, >100, purplish; corolla 5–7 mm long; style appendages acuminate, short-hairy. Pappus a few, short teeth. Achenes tan to brown, 4-angled-obconic, 4–5 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
SK, MB south to NM, TX and IA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Global range is based on E. angustifolia var. angustifolia; var. strigosa is quite rare if not extinct.


Summary of Observations Submitted for Montana
Number of Observations: 4

(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
Usually sandy or stony soil of grasslands, pine woodlands; plains (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Narrow-leaved Purple Coneflower — Echinacea angustifolia.  Montana Field Guide.  .  Retrieved on , from