UW Burke Herbarium species comparison

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Erigeron caespitosus

Erigeron inornatus

tufted fleabane

California rayless fleabane
Habit Herbaceous perennial from a stout taproot, the stems curved at the base, 5-30 cm. tall; herbage densely pubescent with short, spreading hairs.
Leaves

Basal leaves oblanceolate to spatulate, rounded or obtuse, triple-nerved;

cauline leaves linear to ovate-oblong.

Flowers

Heads solitary to several;

involucre 4-7 mm. high, imbricate, glandular and short grey-hairy, the bracts narrow and thickened on the back;

rays pistillate, 30-100, blue, white or pink, 5-15 mm. long;

disk flowers yellow;

pappus double, the outer short, the inner of 15-25 bristles.

Fruits

Achene

Erigeron caespitosus

Erigeron inornatus
Flowering time June-August July-August
Habitat Dry, open, and often rocky places in sagebrush Dry slopes and forest openings, often where sandy or rocky.
Distribution
Occurring east of the Cascades crest in Washington; Alaska to Washington, Idaho, Utah, and Arizona, east to the northern Great Plains.
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
Conservation status Not of concern Review Group 1 in Washington (WANHP)
Sibling taxa
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, 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. subtrinervis
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. 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
Subordinate taxa
E. inornatus var. inornatus
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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