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

Hypochaeris glabra L.
smooth cat's-ear (smooth catsear)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Val George  Email the photographer   (Photo ID #58472)

E-Flora BC Static Map
Distribution of Hypochaeris glabra
Click here to view the full interactive map and legend
Details about map content are available here
New! 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:
Annual herb from a taproot; stems erect, solitary or more often several, simple or sparingly branched, minutely bristly or glabrous, exuding milky juice when broken, 10-40 cm tall.
Leaves:
Basal leaves well-developed, oblanceolate, entire or lobed, glabrous to fringed on the margins, 2.5-15 cm long and 7-35 mm wide; stem leaves lacking or if present then minute and bractlike.
Flowers:
Heads with strap-shaped flowers, solitary to many in a terminal, flat-topped inflorescence; involucres 8-10 mm tall, 0.5-1.5 cm wide, increasing to 17 mm tall in fruit; involucral bracts spirally arranged, lanceolate, glabrous; ray flowers yellow.
Fruits:
Achenes nerved with minute projections, 4-5 mm long, inner ones with a well-developed beak as long as the body; pappus double, the inner ones of feathery bristles, the outer ones shorter and usually merely finely-barbed.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Roadsides, pastures and waste areas in the lowland zone; frequent in SW BC, known from S Vancouver Island and the Gulf Islands; introduced from Europe.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Hypochaeris glabra

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

Minimum

Average

Maximum

Elevation (metres) 122 210 275
Slope Gradient (%) 2 30 60
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
60 177 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 6
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
32
Modal BEC Zone Class
CDF
All BEC Zones (# of stations/zone) species was recorded in: CDF(4), CWH(2)

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References