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Yavapai County Native & Naturalized Plants

Eriogonum pulchrum - Yavapai County buckwheat

Synonyms: Eriogonum ericifolium var. pulchrum, E. mearnsii var. pulchrum
Other Common Names: Meteor Crater wild buckwheat, Sowy Wild Buckwheat
Plant Form: Forb or Subshrub

Family: Polygonaceae


   
 
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Plant
Teague Embrey @http://swbiodiversity.org, Usage Rights: CC BY-NC (Attribution-Non-Commercial)
Forb Plant Description

Origin: Native   Life Cycle: Perennial   Similar Species: Eriogonum ericifolium
General Desc: Spreading branches form mats, grayish or mostly reddish in appearance; stems slightly spreading or erect, leaves are often persistent (not deciduous), narrow, grayish-green; flowering stems spreading to erect; flowers white to dark pink in round clusters
Identification notes: Subshrub, spreading; stems branching in 2s, hairy, slightly spreading to erect; leaves narrow, hairy, persistent, margins can roll inward; flowers white to dark pink, in rounded clusters, subtended by 3 scale-like bracts; stamens slightly beyond petals.
Height: To 6 inches


Habitat

Habitat Description: Gravelly to rocky volcanic soil and outcrops. Scattered populations north of the Mogollon Rim and also found in northern Yavapai County.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 3200 - 6900 feet


Flower Characteristics

Color: White or dark pink     Shape: Regular in round clusters     Tubular: N     Flowering Period: Aug - Nov
Description: Flowers in flat-topped flower clusters, no petals, 2 types of sepals, outer sespals nearly circular, tips slightly notched, inner sepals lance-like, pointed at the base; stamens slightly protruding, filaments hairy near base.


Leaf and Stem Characteristics

Leaf Color: Grayish-green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Whorl     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Stem leaves 1 per node or in bundles, short stemmed, very hairy; blade lance-like pointed at base to narrowly oval, densely white-densely hairy upper surface, woolly tufts of hair and greenish below, margins slightly turned under or merely thickened.  


Fruit and Seed Characteristics

Fruit Color: Light brown   
Fruit Type: Achene
Fruit Notes: Smooth except for small bump-like beak at top.


  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php  
Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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