Phacelia
phacelia
15 species
9 subspecies and varieties
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Phacelia bolanderiBolander's phacelia, Bolander's scorpion-weed
Distribution: Disjunct in Pacific and Wahkiakum counties, Washington; Coos Bay, Oregon south along the coast to Sonoma County, California.
Habitat: Mostly on open, often unstable slopes at low elevations.
Origin: Native
Flowers: June-July
Phacelia frankliniiFranklin's scorpion-weed
Origin: Native
Flowers: June - July
Phacelia glanduliferasticky phacelia, glandular-hair scorpion-weed
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Idaho, Nevada, Utah, and Wyoming.
Habitat: Open areas in sagebrush-steppe habitat.
Origin: Native
Flowers: June
Phacelia hastatasilverleaf phacelia, whiteleaf phacelia
Distribution: Both sides of the Cascades in Washington; British Columbia to California, east to the Dakotas and Nebraska.
Habitat: Dry, open, often sandy areas, low to high elevations.
Origin: Native
Flowers: May-August
var. compacta – silverleaf phacelia, whiteleaf phacelia
var. hastata – silverleaf phacelia, whiteleaf phacelia
var. leptosepala – narrow-sepal scorpion-weed
Phacelia heterophyllavarileaf phacelia, virgate phacelia
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia south to California, east to Montana and New Mexico.
Habitat: Widespread in dry, open places from the foothills to mid-elevations in the mountains.
Origin: Native
Flowers: May-July
var. heterophylla – varileaf phacelia
var. virgata – varileaf phacelia
Phacelia humilislow phacelia
Distribution: Okanogan to Yakima counties in central Washington; south through Oregon to east slope of the Sierra in California and Nevada.
Habitat: Moist to moderately dry soil at low to mid-elevations in the mountains.
Origin: Native
Flowers: May-July
var. humilis – low phacelia
Phacelia lentasticky scorpion-weed
Distribution: Endemic to Columbia Basin of central Washington.
Habitat: Open rocky habitats, talus, rocky outcrops.
Origin: Native
Flowers: April-June
Phacelia linearisthread-leaf scorpion-weed
Distribution: Chiefly east of the Cascades in Washington; British Columbia to California, east to Utah.
Habitat: Common in dry, open places in the foothills and plains to moderate elevations in the mountains
Origin: Native
Flowers: April-June
Phacelia minutissimaleast phacelia, dwarf scorpion-weed
Distribution: Uncommon; known from the type locality in Idaho, the Wallowa Mountains of Oregon, Elko County, Nevada, and Kittitas County, Washington.
Habitat: Moderate elevations in the mountains.
Origin: Native
Flowers: July
Phacelia mutabilischangeable scorpion-weed
Distribution: Occurring in scattered locations in Washington; Washington south to California, east to Nevada.
Habitat: Open areas at middle elevations.
Origin: Native
Flowers: May-July
Phacelia nemoralisshade phacelia, woodland phacelia
Distribution: Chiefly from the coast to the lower western slopes of the Cascades in Washington; south to California.
Habitat: Thickets and woodlands, usually in fairly dry and shady areas, at low elevations.
Origin: Native
Flowers: April-July
var. oregonensis – woodland phacelia
Phacelia proceratall scorpion-weed
Distribution: Chiefly in the East Cascades Mountains of Washington; south to the northern Sierra and Coast Ranges of California; also in the Blue Mountains of Oregon and adjacent Idaho.
Habitat: Meadows and lightly wooded slopes at moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Phacelia ramosissimabranched phacelia
Distribution: East of the Cascades in central Washington, sout to California, east to southwest Idaho and Arizona.
Habitat: Dry, open places in the plains and foothills, commonly on basaltic talus, ledges and cliffs.
Origin: Native
Flowers: May - August
var. ramosissima – branched phacelia
Phacelia sericeasilky phacelia
Distribution: In the Olympic and Cascade mountains of Washington; Alaska south to California, east to Montana and New Mexico.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: June-August
var. sericea – silky phacelia
Phacelia tetrameradwarf phacelia, four-part yellow scorpion-weed
Origin: Native
Flowers: May - June