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

Coreopsis lanceolata L.
garden coreopsis (lanceleaf tickseed)
Asteraceae (Aster family)

Introduction to Vascular Plants

© RĂ©al Sarrazin  Email the photographer   (Photo ID #26678)

E-Flora BC Static Map
Distribution of Coreopsis lanceolata
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Species Information

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General:
Perennial herb from a woody rhizome; stems ascending to erect, glabrous, branched, 20-70 cm tall.
Leaves:
Basal leaves numerous, spoon-shaped to linear or linear-lanceolate, simple or with 1 or 2 pairs of small lateral lobes at the base, usually stiff-hairy, 10-20 cm long, up to 2 cm wide; upper leaves few, reduced, mostly entire, usually glabrous.
Flowers:
Heads with ray and disk flowers, solitary to several on long stalks; involucres 10-14 mm tall; involucral bracts markedly different, the inner 8-12 mm long, egg-shaped, brown with lighter margins, the outer reduced, lanceolate to oblong egg-shaped, obtuse, 4-8 mm long; ray flowers yellow, about 8, 1.5-3 cm long; disk flowers yellow; receptacular bracts flat and papery below.
Fruits:
Achenes black, 2.5-3 mm long, margins with incurved wings; pappus of 2 small, fringed teeth.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Mesic to dry roadsides and disturbed areas in the lowland zone; rare in SW BC, known only from Ft. Langley and Nanaimo; introduced from E US.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Coreopsis lanceolata

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) 1971 1971 1971
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: ESSF(1)

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

Coreopsis crassifolia Ait.
Coreopsis heterogyna Fern.
Coreopsis lanceolata var. villosa Michx.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References