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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 black samson echinacea |
| 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: | alpine golden buckwheat, creeping juniper, smooth fleabane, white milkwort |
| RARITY STATUS | |
| Provincial
Status According to Harms (2003): |
Vulnerable |
| Nature Conservancy Status: | G5 T5 |
| Saskatchewan
Species at Risk Status: |
None |
| COSEWIC Status: | None |
| Prairie purple coneflower 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: | woody base thick, persistent, with overlapping leaf bases; stems rounded, sometimes reddish, hairs short and stiff, sometimes nearly hairless below |
| Leaves: | basal and on the stem; basal leaves several, long-stalked, 2 – 20 cm long, 1 – 4 cm wide, lance-shaped to elliptic, tip tapered, conspicuously 3-nerved; stem leaves few, alternate, short stalked, becoming sessile and progressively smaller upwards, lance-shaped to elliptic, conspicuously 3-nerved, tip short-tapered, rough-hairy |
| Inflorescence: | solitary; terminal; bracts reflexed, in 2 series, 6 – 11 mm long, green, rough-hairy; receptacle with thin, cone-shaped, 1.5 – 3 cm tall; dry bracts on receptacle 11 – 13 mm long, spine tip 2 – 3 mm long |
| Flowers: | ray and disc florets; ray 2 – 4 cm long, 5 – 8 mm wide, reflexed or spreading, two-cleft, purple; disc 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, lance-shaped leaves, bracts that do not enfold on achenes, a chaffy, cone-shaped receptacle, purple rays, and large flowers. | |
