Salix species

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Scientific Name Salix nivalis (Salix reticulata ssp. nivalis) USDA PLANTS Symbol SANI8
Common Name Snow Willow ITIS Taxonomic Serial No. 520861
Family Salicaceae (Willow) SEINet
Reference
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Description Habitat and life zones: Alpine; tundra, cirques, lake basins, rocky slopes.
Plant: Small, leafy mat-forming sub-shrub less than 3 inches tall; stems trailing or erect, yellowish- or reddish- brown.
Leaves: Dark green, somewhat shiny elliptic to broadly elliptic leaves and network of veins; smooth, seldom hairy upper surface, grayish lower surface with small hairs; leaves less than one inch long.
Inflorescence: Dioecious (male and female flowers on separate plants); small, catkins of multiple flowers with creamy to deep pink bracts.
Bloom Period: June to August.
References: Flora of North America and Jepson eFlora.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Salix petrophila USDA PLANTS Symbol SAPE18
Common Name Alpine Willow, Rock Willow ITIS Taxonomic Serial No. 520882
Family Salicaceae (Willow) SEINet
Reference
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Description Life zones and habitat: Alpine; 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

Colorado Status:
Native


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© Tom Lebsack 2021