Eucephalus engelmannii (D.C. Eaton) Greene
Engelmann's aster
Asteraceae (Aster family)

Introduction to Vascular Plants


© Steve Ansell     (Photo ID #76245)


E-Flora BC Static Map

Distribution of Eucephalus engelmannii
Click here to view the full interactive map and legend

Species Information

Perennial herb from a fibrous-rooted rhizome or branched, woody stem-base; stems erect, branched above, glandular or sparsely long-hairy to glabrous, 0.5-1.5 m tall.
Basal leaves reduced and scalelike below; stem leaves numerous and nearly alike, lanceolate or elliptic to egg-shaped, unstalked, entire or nearly so, closely reticulate, subglabrous or sometimes glandular or somewhat hairy below, 5-10 cm long, 1.5-3.5 cm wide.
Heads with ray and disk flowers, few to many in a rounded inflorescence; involucres 8-12 mm tall; involucral bracts graduated with a strong midvein, tending to be keeled, linear to lanceolate, with long-pointed tips or the inner abruptly sharp-pointed, papery below, greenish above, the inner purple-margined and marginally fringed with long hairs; ray flowers commonly 13, sometimes only 8, white, often pink with age, sometimes mauve, 15-25 mm long; disk flowers yellow.
Achenes appressed-hairy; pappus tawny with a few outer bristles.

SourceThe Illustrated Flora of British Columbia


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.

USDA Species Characteristics

Flower Colour:
Blooming Period:
Early Summer
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source:  The USDA


Ecological Framework for Eucephalus engelmannii

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




Elevation (metres)
1686 937 2240
Slope Gradient (%)
38 0 100

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

178 10 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 7
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

AT(14), ESSF(115), ICH(17), IDF(4), IMA(1), MS(12)

Habitat and Range

Mesic meadows, avalanche tracks and open forests in the montane and lower subalpine zones; frequent in S BC in and E of the Coast-Cascade Mountains; E to SW AB and S to CO, NV and CA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Aster elegans var. engelmannii D.C. Eaton
Aster engelmannii (D.C. Eaton) A. Gray