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| Echinacea angustifolia var. angustifolia DC. | Species Image Gallery (opens in a new window) |
| TAXONOMY | |
| Family: | Asteraceae or Compositae |
| Genus: | Echinacea |
| Species Synonyms: | Echinacea pallida var. angustifolia
(DC.) Cronq. Brauneria angustifolia (DC.) Heller |
| Common Names: | prairie purple coneflower black samson echinacea narrow-leaved coneflower |
| DISTRIBUTION | |
| Canada: | southern Saskatchewan, southern Manitoba |
| Saskatchewan: | southern Saskatchewan; Souris and Lower Antler River Valleys, Lower Big Muddy Valley, Qu’Appelle River Valley |
| Ecoregion: | Mixed Grassland, Moist Mixed Grassland, Aspen Parkland |
| HABITAT | |
| Saskatchewan: | dry prairie slopes and roadsides |
| Associated Species: | Erigeron glabellus, Eriogonum flavum, Juniperus horizontalis, Polygala alba |
| RARITY STATUS | |
| Provincial
Status According to Harms (2003): |
Vulnerable |
| Nature Conservancy Status: | G5 T5 |
| Saskatchewan
Species at Risk Status: |
None |
| COSEWIC Status: | None |
| Echinacea angustifolia var. angustifolia is vulnerable in Saskatchewan because it occurs in a limited range. The Saskatchewan populations represent a recent range expansion of this species. This species is usually locally numerous within an area. | |
| SPECIES DESCRIPTION | |
| Height: | 10 – 50 cm tall |
| Roots: | taproot |
| Stems: | caudex thick, leaf bases overlapping; stems rounded, sometimes reddish, hispid-scabrous, sometimes glabrate below |
| Leaves: | basal and cauline leaves; basal leaves several, long-petioled, 2 – 20 cm long, 1 – 4 cm wide, lanceolate to elliptic, apex acute, conspicuously 3-nerved; cauline leaves few, alternate, short-petiolate, becoming sessile and progressively smaller upwards, lanceolate to elliptic, conspicuously 3-nerved, apex acute, rough-hairy |
| Inflorescence: | solitary, terminal; involucre reflexed, in 2 series, 6 – 11 mm long, green, hispid-scabrous; receptacle chaffy, conical, 1.5 – 3 cm tall; chaff 11 – 13 mm long, apical spine 2 – 3 mm long |
| Flowers: | ligulate and tubular florets; ligulate 2 – 4 cm long, 5 – 8 mm wide, reflexed or spreading, bifid, purple; tubular florets 6 – 8 mm long |
| Fruits: | achenes 4 – 5 mm long; pappus a toothed crown |
| ECHINACEA VS OTHER ASTERACEAE GENERA IN SASKATCHEWAN | |
| Echinacea has alternate, lanceolate leaves, phyllaries that do not enfold on achenes, a chaffy, conical receptacle, purple rays, and large flowers. | |
