UW Burke Herbarium species comparison

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Eriogonum nudum

Eriogonum baileyi

bare-stem buckwheat, naked buckwheat

Bailey's buckwheat
Habit Perennial with a few sparingly-branched, green, leafless stems to 5 dm. tall.
Leaves

All basal, the blades oblong to oval, dense gray-woolly beneath and green above with some soft, fine hairs, narrowed abruptly to a slender petiole 2-4 times as long as the blade.

Flowers

Open, branched inflorescence with leafy bracts at the first and second points of branching;

involucres usually in capitate clusters, tubular, with 5 erect, short teeth;

flowers interspersed with numerous, filiform bracts that protrude form the involucres. Tepals white to pinkish or yellowish, 3-4 mm. long, divided nearly to the base into oblong segments.

Eriogonum nudum

Eriogonum baileyi
Identification notes Separate from E. elatum by the leaves and flower clusters. E. elatum has large leaves somewhat triangular in shape and green on both surfaces, and it has only a few flowers in each cluster.
Flowering time June-August April-June (September-October)
Habitat Sandy or rocky places from the lowlands to subalpine. Sand or gravel flats and slopes, grassland and shrub-steppe, open forest, and washes.
Distribution
Occurring on both sides of the Cascades crest in southern Washington; southern Washington to California and Nevada.
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest in the central region of Washington; northern Washington to California, east to Idaho and Utah.
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[BONAP county map]
Origin Native Native
Conservation status Not of concern Not of concern
Sibling taxa
E. baileyi, E. cernuum, E. codium, E. compositum, E. douglasii, E. elatum, E. flavum, E. heracleoides, E. maculatum, E. marifolium, E. microtheca, E. niveum, E. ovalifolium, E. pyrolifolium, E. sphaerocephalum, E. strictum, E. thymoides, E. umbellatum, E. vimineum
E. cernuum, E. codium, E. compositum, E. douglasii, E. elatum, E. flavum, E. heracleoides, E. maculatum, E. marifolium, E. microtheca, E. niveum, E. nudum, E. ovalifolium, E. pyrolifolium, E. sphaerocephalum, E. strictum, E. thymoides, E. umbellatum, E. vimineum
Subordinate taxa
E. nudum var. nudum
E. baileyi var. baileyi
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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