Packera cana (Hook.) W.A. Weber & Á. Löve
woolly groundsel
Asteraceae (Aster family)
Introduction to Vascular Plants
woolly groundsel
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from a branched, woody stem-base and often a short taproot; stems erect, several, branched above, 10-40 cm tall, white woolly-hairy but less so with age.
Leaves:
Basal and lowermost stem leaves tufted, narrowly oblanceolate to more elliptic, stalked, 1-5 cm long, 0.4-4.5 cm wide, entire to irregularly lobed, strongly white woolly-hairy; middle and upper stem leaves toothed, becoming unstalked and reduced upwards.
Flowers:
Heads with ray and disk flowers, several in a rounded inflorescence, with woolly-hairy bases; involucres 4-8 mm tall; involucral bracts unequal, lanceolate, margins translucent, long-hairy, also with a terminal tuft of hairs; ray flowers yellow, 6-13 mm long, rarely lacking; disk flowers yellow.
Fruits:
Achenes oblong, ribbed, glabrous; pappus of white hairlike bristles.
Illustration
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.
Illustration Source: The 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 Packera cana
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)
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) |
1057 | 260 | 2300 |
| Slope
Gradient (%) |
31 | 0 | 90 |
|
Aspect (degrees) |
206 | 5 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 0 | 7 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
260 | ||
| Modal
BEC Zone Class |
BG | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), BAFA(1), BG(73), ESSF(19), ICH(1), IDF(66), IMA(2), MS(44), PP(36), SBPS(1), SBS(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to dry grasslands, shrublands, rock outcrops and scree slopes in the steppe to alpine zones; common in S BC east of the Coast-Cascade Mountains; E to S SK and S to NE, CO and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Senecio canus Hook.
Senecio convallium Greenm.
Senecio hallii Britton
Senecio hallii var. discoidea W.A. Weber
Senecio harbourii Rydb.
Senecio howellii Greene
Senecio purshianus Nutt.