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three-veined fleabane

cutleaf daisy, dwarf mountain fleabane, fernleaf fleabane, trifid mountain fleabane

Habit Perennial from a short, woody base, 1.5-8 dm. tall, the stems clustered, amply leafy, spreading-hairy throughout. Perennial from a tap-root, 3-25 cm. tall, the herbage densely glandular.
Leaves

Leaves triple-nerved, entire, the lower oblanceolate or spatulate, petiolate, mostly deciduous, the other becoming sessile but ample.

Basal leaves trifid to ternately dissected;

cauline leaves few, linear and entire.

Flowers

Heads 1-13 in a open inflorescence;

involucre 6-9 mm. high;

rays 65-150, blue or rarely white or pink, 9-18 mm. long and 1 mm. wide;

pappus 20-30 bristles, a few of the outer ones shorter.

Heads solitary on long, nearly leafless stems, glandular and hairy; pistillate flowers 20-60, with usually white but occasionally pink or blue rays up to 12 mm. long and 2 mm. wide, or wanting;

disk flowers yellow;

pappus of 12-20 capillary bristles.

Erigeron subtrinervis

Erigeron compositus

Flowering time July-September May - August
Habitat Moderately dry, open places at low to middle elevations. Sandy riverbanks at low elevations to rocky outcrops at mid- to high elevation in the mountains
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to Washington, east to the Rocky Mountains.
[WildflowerSearch map]
[BONAP county map]
Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the northern Great Plains, also in northern and eastern Canada.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
Conservation status Not of concern Not of concern
Sibling taxa
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, E. caespitosus, E. chrysopsidis, E. compositus, E. corymbosus, E. davisii, E. disparipilus, E. divergens, E. eatonii, E. elatus, E. filifolius, E. flettii, E. glacialis, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. philadelphicus, E. piperianus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, E. caespitosus, E. chrysopsidis, E. corymbosus, E. davisii, E. disparipilus, E. divergens, E. eatonii, E. elatus, E. filifolius, E. flettii, E. glacialis, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. philadelphicus, E. piperianus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus, E. subtrinervis
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