Medium to tall shrub, 1-2 (3) m tall; stems erect, freely and rigidly branched, twigs woolly-hairy, especially when young.
Alternate, deciduous, in small bundles on short lateral spur-shoots, wedge-shaped, mostly 1-2 cm long, 3-toothed at the tip, silvery-greenish and hairy on the upper surface, grey-woolly beneath, the margins rolled under.
Inflorescence of single, short-stalked flowers at ends of short, lateral, leafy spur-shoots; corollas yellow to cream, wheel-shaped, the petals 5, egg- to spoon-shaped, 5-9 mm long, early-deciduous; calyces bell-shaped, woolly- or cobwebby-hairy and stalked-glandular, 5-lobed, the lobes oblong-egg-shaped, 3-4 mm long; ovaries superior; stamens about 25.
Large achenes, about 15 mm long including the persistent style, ellipsoid-spindle-shaped, somewhat leathery, velvety-hairy and glandular; seeds 1, black, pear-shaped, 6-8 mm long.
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
Present from Spring to Summer
Source: The USDA
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|BG(88), IDF(99), MS(2), PP(166)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Purshia tridentata var. tridentata