E-Flora BC: Electronic Atlas of the Flora of British Columbia

Erigeron poliospermus A. Gray var. poliospermus
cushion fleabane (purple cushion fleabane)
Asteraceae (Aster family)

Introduction to Vascular Plants
Once images have been obtained, photographs of this species will be displayed in this window.Click on the image to enter our photo gallery.
Currently no image is available for this taxon.
E-Flora BC Static Map
Distribution of Erigeron poliospermus var. poliospermus
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial herb from a taproot and short-branched stem-base; stems erect, simple or occasionally branched in larger forms, solitary, sparsely to densely stiff-hairy, obscurely to moderately glandular, 3-30 cm tall.
Leaves:
Basal leaves linear-oblanceolate to spoon-shaped, hairy and glandular like the stems, long-stalked, 1-8 cm long, 1-12 mm wide; stem leaves similar, few, mostly linear, somewhat reduced upwards.
Flowers:
Heads with ray and disk flowers, solitary or occasionally several in larger forms, the disks 9-20 mm wide; involucres 5-9 mm tall; involucral bracts sparsely to densely stiff-hairy with long, white hairs, obscurely to conspicuously glandular, more or less equal, green, sometimes with brown midveins and narrow, papery margins; ray flowers 15-45, pink or purple to deep blue or violet, 5-14 mm long, 1.3-3.6 mm wide, occasionally reduced and inconspicuous or lacking; disk flowers 4.0-6.5 mm long.
Fruits:
Achenes 2-nerved, densely, long, silky-hairy, these appressed or ascending and sometimes obscuring the outer pappus; pappus double, the inner of 20-30 firm bristles, the outer of well-developed short scales.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry rocky slopes in the steppe zone; rare in extreme SC BC; S to ID and OR.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Erigeron poliospermus var. typicus Cronquist

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References