Micranthes species

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Scientific Name Micranthes odontoloma (Saxifraga odontoloma) USDA PLANTS Symbol SAOD2
Common Name Brook Saxifrage ITIS Taxonomic Serial No. 517096
Family Saxifragaceae (Saxifrage) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (7500 to 13000 ft). Wet areas in meadows, bogs, near steams.
Plant: Slender, delicate perennial up to 20 inches tall, leafless stem.
Leaves: Basal, blades more or less circular, 2 to 4 inches across with cordate base and indented or toothed edges; petiole 1 to 12 inches long.
Inflorescence: Ten or more small flowers in a loose panicle, each with a red calyx, 5 white petals and 10 white stamens with anthers turning red or orange.
Bloom Period: July to September.
References: "Guide to Colorado Wildflowers" by G.K. Guennel, "Flora of Colorado" by Jennifer Ackerfield and "A Field Guide to Wildflowers of the Rocky Mountains" by Carl Schreier.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Micranthes oregana (Saxifraga oregana) USDA PLANTS Symbol SAOR2
Common Name Bog Saxifrage ITIS Taxonomic Serial No. 517097
Family Saxifragaceae (Saxifrage) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (9000 to 13500 ft). Wet areas in meadows, stream banks.
Plant: Erect, stout perennial up to 12 to 18 inches tall, sticky, hairy, leafless stem.
Leaves: Basal linear to oblanceolate leaves 2 to 9 inches long, fleshy, bright green, toothed edges; surfaces smooth to slightly hairy.
Inflorescence: Many (30 to 50) small flowers in a cylindrical or conical cluster (thyrse), each about 1/2-inch across with 5 white oval petals, 5 pointed, reflexed (bent back) sepals.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Micranthes rhomboidea (Saxifraga rhomboidea) USDA PLANTS Symbol SARH2
Common Name Snowball Saxifrage, Diamondleaf Saxifrage ITIS Taxonomic Serial No. 517099
Family Saxifragaceae (Saxifrage) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (5000 to 14000 ft). Open, disturbed areas, meadows rocky slopes.
Plant: Erect, perennial up to 12 inches tall, sticky, hairy, leafless stem.
Leaves: Basal ovate to triangular-shaped leaves, 1/2 to 1-1/2 inches long, fleshy with toothed edges.
Inflorescence: Many (10 to 40) small cup-shaped blossoms in ball-shaped clusters about 1-inch across, each blossom with 5 white petals and green sepals; white stamens with yellow anthers.
Bloom Period: April to September.
References: "Guide to Colorado Wildflowers" by G.K. Guennel, "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2021