Eriogonum strictum var. greenei

(A. Gray) Reveal

Phytologia 40: 467. 1978.

Common names: Greene’s wild buckwheat
Endemic
Basionym: Eriogonum greenei A. Gray Proc. Amer. Acad. Arts 12: 83. 1876
Synonyms: Eriogonum niveum var. greenei (A. Gray) S. Stokes
Treatment appears in FNA Volume 5. Treatment on page 318. Mentioned on page 317.

Plants dense mats, 2–10 dm wide. Leaf blades ovate, 0.5–1 cm, densely white-lanate to tomentose on both surfaces. Inflorescences 3–5 cm; branches tomentose. Involucres 4–6 × 2–3 mm, tomentose. Flowers 4–5 mm; perianth white.


Phenology: Flowering Jun–Sep.
Habitat: Rocky, typically serpentine flats, slopes, and ridges, sagebrush communities, montane conifer woodlands
Elevation: 1500-2400 m

Discussion

Variety greenei is restricted to the North Coast Ranges of northwestern California (Humboldt, Mendocino, Siskiyou, Tehama, and Trinity counties). In the herbarium, it is occasionally difficult to distinguish from nonserpentine populations of var. proliferum. The variety is worthy of cultivation.

Selected References

None.

Lower Taxa

None.
James L. Reveal +
(A. Gray) Reveal +
Eriogonum greenei +
Greene’s wild buckwheat +
1500-2400 m +
Rocky, typically serpentine flats, slopes, and ridges, sagebrush communities, montane conifer woodlands +
Flowering Jun–Sep. +
Eriogonum niveum var. greenei +
Eriogonum strictum var. greenei +
Eriogonum strictum +
variety +