Crepis runcinata (James) Torr. & A. Gray
Naked-stemmed Hawksbeard (dandelion hawksbeard; fiddleleaf hawksbeard; Slender Hawksbeard)
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© Bryan Kelly-McArthur     (Photo ID #87639)


Map

E-Flora BC Static Map

Distribution of Crepis runcinata
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Crepis runcinata ssp. runcinata

Species Information

General:
Perennial herb from an enlarged, simple or forked stem-base and a fleshy root; stems erect, 1-3, glabrous or somewhat glandular coarse-hairy, 2-8 dm tall.
Leaves:
Basal leaves oblanceolate to elliptic or egg-shaped, 3-30 cm long, long-stalked, entire to pinnately cut or toothed with the teeth pointed backwards, the blade obtuse or abruptly sharp-pointed; stem leaves much reduced, usually lanceolate or linear and bractlike.
Flowers:
Heads with strap-shaped flowers, 1-30 in a flat-topped inflorescence; involucres 8-21 mm tall, bell-shaped or top-shaped; involucral bracts more or less glandular-hairy or coarse-hairy (in ours) or glandless, the outer ones narrowly deltoid or lanceolate, the longest less than 1/2 the length of the 10-15 inner ones, these lanceolate or linear, more or less tapering to a slender tip at the apex; ray flowers yellow, 9-18 mm long.
Fruits:
Achenes light to dark brown, 3.5-7.5 mm long, slender, mostly 10-ribbed, tapering to a slender tip (in ours) or sometimes short-beaked above; pappus white, of hairlike bristles.

SourceThe Illustrated Flora of British Columbia

USDA Species Characteristics

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

Ecology

Ecological Framework for Crepis runcinata

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)
967 850 1270
Slope Gradient (%)
10 0 40

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

176 88 300
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 1 5
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
10
Modal BEC Zone Class
IDF

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

IDF(10)

Habitat and Range

Dry grasslands, shrublands and open forests in the steppe and lower montane zones; infrequent in S BC east of the Coast-Cascade Mountains; E to MB and MN, S to CA, AZ and MX.

SourceThe Illustrated Flora of British Columbia