Northwestern saxifrage

Micranthes fragosa

Northwestern saxifrage is a perennial with a single erect stem, from 10-30 cm high arising from a cluster of basal leaves. The stems lack leaves and are unbranched (except as part of the inflorescence). The leaves are variable according to the variety, but are generally have elliptic, lanceolate, rhombic-ovate or triangular blades with short to long petioles The thick blade is usually 2-4 cm in length, but may occasionally reach as long as 12 cm. The width ranges from 1-2 cm wide but on occasion, may be as much as 6 cm. The leaf margins are usually entire, but occasionally may be lightly toothed.

The inflorescence is a cymose-panicle. The 5 petals may be white, yellowish, or greenish-white, or they may be absent. They range from 2-3 mm long and ovate, elliptic, or obovate in shape..
Northwestern saxifrage apparently popular with the insects..  Geotagged,Micranthes fragosa,Northwestern saxifrage,Spring,United States

Appearance

Northwestern saxifrage is a perennial with a single erect stem, from 10-30 cm high arising from a cluster of basal leaves. The stems lack leaves and are unbranched (except as part of the inflorescence). The leaves are variable according to the variety, but are generally have elliptic, lanceolate, rhombic-ovate or triangular blades with short to long petioles The thick blade is usually 2-4 cm in length, but may occasionally reach as long as 12 cm. The width ranges from 1-2 cm wide but on occasion, may be as much as 6 cm. The leaf margins are usually entire, but occasionally may be lightly toothed.

The inflorescence is a cymose-panicle. The 5 petals may be white, yellowish, or greenish-white, or they may be absent. They range from 2-3 mm long and ovate, elliptic, or obovate in shape..
Northwestern saxifrage  Geotagged,Micranthes fragosa,Northwestern saxifrage,Spring,United States

Naming

Saxifraga claytoniifolia, Saxifraga fragosa, Saxifraga fragosa ssp. claytoniaefolia, Saxifraga fragosa ssp. claytoniifolia, Saxifraga fragosa var. fragosa, Saxifraga integrifolia var. claytoniaefolia, Saxifraga integrifolia var. claytoniifolia, Saxifraga nidifica, Saxifraga nidifica var. claytoniifolia

Distribution

British Columbia south to California and east to central Idaho and Nevada.

Habitat

prairies, grassy slopes, and meadows which are seasonally moist in the spring but dry in the summer.

References:

Some text fragments are auto parsed from Wikipedia.

http://science.halleyhosting.com/nature/gorge/5petal/saxi/saxifraga/claytoniifolia.htm
Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderSaxifragales
FamilySaxifragaceae
GenusMicranthes
SpeciesMicranthes fragosa