Eriogonum heermannii var. occidentale

S. Stokes

Leafl. W. Bot. 1: 30. 1932.

Common names: Heermann’s Coast Range wild buckwheat
Endemic
Synonyms: Eriogonum heermannii subsp. occidentale (S. Stokes) S. Stokes
Treatment appears in FNA Volume 5. Treatment on page 306. Mentioned on page 304, 305.

Shrubs, rounded, usually sparsely branched, 10–20 × 10–25 dm. Leaf blades narrowly lanceolate, 1.5–3(–4) × 0.5–0.8 cm, tomentose to floccose abaxially (in early anthesis), occasionally glabrous with age. Inflorescences 10–30 × 10–35 cm; branches rather diffuse, with racemosely arranged involucres at tips, slender, round, smooth, glabrous, not spinose. Involucres campanulate, 2.5–3 × 2.5–3.5 mm. Flowers 3–4 mm; perianth white to pink.


Phenology: Flowering Jul–Oct.
Habitat: Clay or shale slopes, mixed grassland communities, oak and conifer woodlands
Elevation: (100-)400-1000 m

Discussion

Variety occidentale is basically restricted to scattered populations in San Benito County, although it is also found just inside Monterey County near Lonoak. A collection reported to be from King City (Rose 678, CAS) is suspect as to location.

Selected References

None.

Lower Taxa

None.
James L. Reveal +
S. Stokes +
Eriogonum geniculatum +
Heermann’s Coast Range wild buckwheat +
(100-)400-1000 m +
Clay or shale slopes, mixed grassland communities, oak and conifer woodlands +
Flowering Jul–Oct. +
Leafl. W. Bot. +
Eriogonum heermannii subsp. occidentale +
Eriogonum heermannii var. occidentale +
Eriogonum heermannii +
variety +