Erigeron ochroleucus Nutt.(Canby ex Rydb.) Cronquist
buff daisy (buff fleabane)
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© Ryan Batten     (Photo ID #66877)


Map

E-Flora BC Static Map

Distribution of Erigeron ochroleucus
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from a taproot and a crown or short-branched stem-base; stems erect, simple, usually solitary, closely stiff-hairy with appressed hairs, 1-40 cm tall.
Leaves:
Basal leaves linear to linear-oblanceolate, more or less straight-hairy with appressed hairs, 1-12 cm long, 0.5-5 mm wide, their bases slightly or moderately enlarged and whitish or purplish; stem leaves similar, linear, reduced upwards, often bractlike.
Flowers:
Heads with ray and disk flowers, solitary or few, the disks 6-18 mm wide; involucres 4.5-8 mm tall; involucral bracts more or less densely stiff long-hairy, also somewhat glandular, subequal, sometimes with a brown midrib, usually with purplish tips; ray flowers 20-80, blue, purple or white, 4-12 mm long, 1.2-2.4 mm wide; disk flowers 2.8-4.3 mm long.
Fruits:
Achenes 2-nerved, stiff- or long-hairy; pappus double, the inner of 10-20 firm bristles, the outer of short, usually conspicuous scales.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Erigeron ochroleucus

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Avg

Min

Max

Elevation (metres)
1540 920 2160
Slope Gradient (%)
16 7 25

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

0 90 270
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 3
Modal Nutrient Regime
Class
# of field plots
 species was recorded in:
2
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

Habitat and Range

Dry scree and talus slopes in the alpine zone; rare in SE BC, known only from Mount Gass; E to SK and S to SD, NE and WY.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Erigeron ochroleucus var. scribneri Nutt.