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Flowers


Yavapai County Native & Naturalized Plants

Eriogonum ericifolium - Yavapai County buckwheat

Synonyms: Eriogonum mearnsii, E. microthecum subsp. ericifolium, E. microthecum subsp. mearnsii
Other Common Names: Yavapai County wild buckwheat, Yavapai buckwheat, heather-leaf wild buckwheat
Plant Form: Forb or Subshrub

Family: Polygonaceae


   
 
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Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
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Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Forb Plant Description

Origin: Native   Life Cycle: Perennial   Similar Species: Eriogonum var. pulchrum
General Desc: Small subshrub, woody, bare stemmed 1/4 of plant high; rounded flower clusters at ends of branches, white to pink to pinkish-purple. Rare and localized, known only from the Verde River Valley of Yavapai County.
Identification notes: Subshrubs; stems densely hairy, woody above ground, many branched from base, tends to branch in 2s; leaves narrow, very hairy on upper surface; flowers not stemmed, in round clusters, white to pink to pinkish-purple; bracts 5-toothed, protruding stamens.
Height: 6 inches


Habitat

Habitat Description: Gravelly or rocky slopes of lacustrine (deposits made in lake beds) silt, mixed grasslands, chaparral and oak-woodlands.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: 3000 - 6500 feet


Flower Characteristics

Color: White to pink to pinkish-purple     Shape: Regular in round clusters     Tubular: N     Flowering Period: Aug - Oct
Description: Flower clusters at ends of branches, white to pink to pinkish-purple, smooth; 3 bracts, scalelike; tepals in pair of whorls, those of outer whorl rounded, 1/16 inch wide, those of inner whorl narrower; stamens slightly protruding, 1/16 inch long.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Basal and alternate     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Stems spreading to erect, woody, densely hairy; bare stems to 1/4 height of plant; branches in 2s. Narrow leaves, 1/4 to 1/2 inch long, densely hairy upper surface, margins rolled back towards underside, basal and bundled or single on stems.


Fruit and Seed Characteristics

Fruit Color: Light brown   
Fruit Type: Achene
Fruit Notes: Light brown achenes, 1/16 inch, smooth, except for projecting beak.


  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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