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

Rudbeckia laciniata L.
tall coneflower (cutleaf coneflower)
Asteraceae (Aster family)

Introduction to Vascular Plants
Once images have been obtained, photographs of this species will be displayed in this window.Click on the image to enter our photo gallery.
Currently no image is available for this taxon.
E-Flora BC Static Map
Distribution of Rudbeckia laciniata
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

SUBTAXA PRESENT IN BC
Rudbeckia laciniata var. ampla

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial herb from a coarse woody stem-base; stems erect, solitary, simple or few-branched above, glabrous, often glaucous, 0.3-2 m tall.
Leaves:
Basal leaves lacking; stem leaves soon deciduous near the bases; middle leaves broadly triangular in outline, coarsely toothed or cleft, stalked, some or most of them pinnately cut, usually glabrous, sometimes hairy, especially beneath, 4-8 cm long, 4-8 cm wide, upper leaves reduced.
Flowers:
Heads with ray and disk flowers, solitary at the ends of branches; disks hemispheric or elongate, yellow or greyish, 10-20 mm wide; involucral bracts broadly oblong, abruptly sharp-pointed, 8-12 mm long, spreading when mature, glabrous; ray flowers yellow, 6-16, drooping, 2-4 cm long; disk flowers yellow or greyish; receptacular bracts blunt, white-hairy near the tip.
Fruits:
Achenes oblong, glabrous, 1.6-1.8 mm long; pappus a short crown.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Moist Typha marshes in the lowland zone; rare in SW BC, known only from Lion Island in the lower Fraser River; introduced from the Rocky Mountains and C U.S.

Source: The Illustrated Flora of British Columbia

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