Cerastium species

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Scientific Name Cerastium arvense ssp. strictum USDA PLANTS Symbol CEARS2
Common Name Alpine Chickweed, Alpine Mouse-ear ITIS Taxonomic Serial No. 523825
Family Caryophyllaceae (Pink) Flora of North America Ref. Click Here
Description Life zones and habitat: Foothills to alpine (5200 to 14000 ft.); open areas, rocky areas, hillsides, meadows.
Plant: Erect perennial with weak stems 2 to 8 inches tall growing in patches.
Leaves: Narrow stem leaves are linear or lanceolate to oblong, 1/4 to 1 inch long, deeply veined, with pointed tips; almost smooth to softly pubescent-hairy, sometimes glandular. Small tufts of leaves in lower leaf axils.
Inflorescence: Clusters of small white flowers atop somewhat hairy pedicels, each about 1/2-inch across with 5 deeply notched petals and yellow-green throat, 2 times as long as sepals; softly pubescent sepals, narrowly lanceolate to lance-elliptic.
Bloom Period: May to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel, SW Colorado Wildflowers and Flora of North America.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Cerastium beeringianum USDA PLANTS Symbol CEBE2
Common Name Bering Chickweed ITIS Taxonomic Serial No. 19944
Family Caryophyllaceae (Pink) Flora of North America Ref. Click Here
Description Life zones and habitat: Montane to alpine (9500 to 14000 ft.); gravelly soils in alpine tundra, meadows, open woodlands, rocky slopes, talus, and roadsides;
Plant: Erect perennial with weak stems 2 to 10 inches tall forming loose to dense mats or clumps.
Leaves: Narrow stem leaves are lanceolate to oblanceolate, 1/4 to 3/4 inch long, with pointed tips. Small tufts of leaves in lower leaf axils are absent.
Inflorescence: Clusters of small white flowers atop somewhat hairy pedicels, each about 1/2-inch across with 5 deeply notched petals and yellow-green throat, about the same length as sepals; softly pubescent-glandular sepals, lanceolate to lance-elliptic.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, SW Colorado Wildflowers and Flora of North America.
BONAP Distribution Map

Colorado Status:
Native



© Tom Lebsack 2021