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Eriogonum nidularium - birdnest buckwheat

Scientific Family
Polygonaceae
Synonyms
Eriogonum vimineum
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Height
2 to 8 inches
Riparian
No

Plant produces a thin, multi-branched stem which curves in on itself to form a rounded, tangled mass resembling a bird nest, giving it the common name, birdnest buckwheat.

Stems usually spreading; leaves basal; leaf blades rounded to heart-shaped, very hairy; sepals and petals pale yellow or yellow, rarely creamy white, turn red, outer broadly fan-shaped, stamens not protruding; flowers along diffused stems.

Habitat

Sandy to gravelly washes, flats, and slopes, saltbush, greasewood, creosote bush, blackbrush, and sagebrush communities, pinyon and/or juniper woodlands.

Plant Community
Grasslands
Interior Chaparral
Montane Conifer Forest
Pinyon Juniper Woodlands
Low elevation
3000
High elevation
8800

Flower Characteristics

Tiny, 1/16 to 1/8 inch clusters of flowers hang at nodes along thin branches of the stem; petals pale yellow or yellow, rarely creamy white, becoming red, without hairs, tepals (petals and sepals) of outer whorl broadly fan-shaped, inner pointed at base.

Flower color
Pale yellow, yellow, become red
Flower shape
Regular
Tubular
No
First bloom month
May
Last bloom month
October
Flower clusters
Rounded

Leaf and Stem Characteristics

Stems mostly erect and vertical; covered with long hairs or woolly tufts to 1 inch long; leaves basal; blade rounded to heart-shaped, to 3/4 inch in width and length; dense white hairs on leaf bottom, hairy and occasionally greenish on top.

Leaf type
Simple
Leaf color
Whitish, greenish
Leaf shape
Round or oval
Leaf margin
Toothed
Leaf attachment
Basal
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

Achenes light brown, triangular, about 1/16 inch long.

Fruit type
Achene
Fruit color
Light brown