UW Burke Herbarium species comparison

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Micranthes eriophora

Micranthes rufidula

rusty-hair saxifrage
Habit Herbaceous perennial from short, horizontal rhizomes, the 1-3 leafless, reddish-glandular stems 1-2.5 dm. tall.
Leaves

Leaves basal, the blades ovate, up to 6 cm. long and 3 cm. wide, with 15-30 rounded teeth, reddish-woolly on the lower surface;

petioles slender, shorter or somewhat longer than the blades.
Flowers

Inflorescence an open, flat-topped panicle, the bracts reddish-woolly;

calyx reddish-woolly, divided about half its length, the 5 ovate lobes 1-2.5 mm. long;

petals 5, white, 2-3.5 mm. long, broadly ovate, narrowed abruptly to the base;

stamens 10, the filaments awl-shaped, reddish;

ovary about 1/3 inferior.
Fruits

Follicles reddish

Micranthes eriophora

Micranthes rufidula
Flowering time February-August
Habitat Wet open areas, ledges, rock outcroppings from moderate to high elevations in the mountains.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
M. apetala, M. ferruginea, M. fragosa, M. gormanii, M. idahoensis, M. integrifolia, M. lyallii, M. nelsoniana, M. nidifica, M. occidentalis, M. odontoloma, M. oregana, M. rufidula, M. tischii, M. tolmiei
M. apetala, M. ferruginea, M. fragosa, M. gormanii, M. idahoensis, M. integrifolia, M. lyallii, M. nelsoniana, M. nidifica, M. occidentalis, M. odontoloma, M. oregana, M. tischii, M. tolmiei
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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