Skip to main content

Spreading wild buckwheat

Also known as: Great Plains wild buckwheat

Eriogonum helichrysoides (Gand.) Prain

[=Eriogonum effusum Nutt. var. rosmarinoides ]

Images

Click on image to view full size

Spreading buckwheat
Spreading buckwheat flowers
Spreading buckwheat
Spreading buckwheat flowers

Morphology

Stem
Erect from woody or semi-woody base, shrubby, white-woolly; bark exfoliating.
Leaves
Alternate, simple, overlapping, linear to narrowly oblong, less than 4/5 inch long, entire, edges often rolled back toward lower side, sparingly woolly above, gray-woolly below, base narrowed to stalk.
Inflorescence
Cyme-like, compound 5-7 times, branches nearly erect, somewhat flat-topped; bracts scale-like; flowering stems up to 2 inches long, leafy for about half their length, glabrous or woolly-hairy.
Flower
Involucres sessile or short-stalked, top-shaped, about 1/10 inch long, glabrous or woolly, teeth rounded or pointed; perianths white or pinkish, glabrous outside; perianth members 6, united basally for about 1/3 of length, petal-like, in 2 series, outer 3 members wider than inner 3 members; stamens 9.
Fruit
Achene, 3-angled, glabrous, 1-seeded.

Ecology

Habitat
Chalk-flat, mixed-grass prairies; dry soils.
Distribution
Only in the central portion of the west 1/3 of Kansas.

Additional Notes

Comments

A variable species endemic to a few western Kansas counties.

Synonyms

Alternative scientific names that have been used for this plant.

Scientific Name: Eriogonum effusum

Full Citation: Eriogonum effusum Nutt.


Subspecies/Varieties:

  • var. rosmarinoides
Quick Facts
Plant Type
Wildflower
Family
Polygonaceae - Buckwheat Family
Life Span
Perennial
Height
12-30 inches
Last Updated
2007-11-12
Color Groups
White, Green & Greenish White Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: August, September