familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum rosense
Eriogonum rosense var. beatleyae
Harvard Pap. Bot. 9: 194. 2004.
Common names: Beatley’s wild buckwheat
Endemic
Basionym: Eriogonum beatleyae Reveal Aliso 7: 415. 1972
Plants 0.4–0.8(–1.3) × 1–5 dm. Leaf blades broadly elliptic to oval, (0.7–)1–2.5 × 0.5–1.6 cm, densely white-tomentose abaxially, greenish-tomentose adaxially. Involucres campanulate, (2.5–)3–5(–6) × 3–5(–6) mm; teeth 5. Flowers (2.5–)3–4 mm; perianth yellow or, infrequently, cream; tepals oblong. Achenes (2.5–)3–3.5 mm.
Phenology: Flowering May–Aug.
Habitat: Volcanic tuffaceous soils, sagebrush communities, pinyon-juniper woodlands
Elevation: 1700-2600(-2800) m
Discussion
Variety beatleyae has yellow flowers in Eureka, Mineral, and Nye counties; in Churchill and adjacent Lander counties it has yellow or cream-colored flowers. Unlike var. rosense, var. beatleyae is commonly encountered at lower elevations in the foothills of Great Basin ranges and occurs at higher elevations only in the Toiyabe Mountains.
Selected References
None.
Lower Taxa
None.