Salix petrophila

(Alpine Willow)


Salix petrophila, Blue Lakes, Summit Co. 1151

Scientific Name Salix petrophila USDA PLANTS Symbol SAPE18
Common Name Alpine Willow, Rock Willow ITIS Taxonomic Serial No. 520882
Family Salicaceae (Willow) SEINet
Click Here
Description Life zones and habitat: Subalpine and alpine (11000 to 13500 ft.); tundra, cirques, lake basins, rocky slopes.
Plant: Small, leafy erect shrub less than 4 inches high; decumbent or trailing stems.
Leaves: Hairy lanceolate. elliptic to obovate, cupped leaves up to 1-3/4 inch long.
Inflorescence: Dioecious flowers (male and female on separate plants); small catkins with creamy to reddish bracts.
Bloom Period: July and August.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America and Jepson eFlora.
BONAP Distribution Map

Map Color Key
Colorado Status:

© Tom Lebsack 2024

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County