Eriogonum corymbosum var. aureum
Taxon 32: 293. 1983.
Subshrubs or shrubs, 2–6 (–8) × 3–8 (–12) dm. Leaves cauline 1/2 or more length of flowering-stem; petiole 0.5–0.8 cm; blade usually elliptic, 2–4 × 1–1.5 cm, densely tomentose abaxially, usually glabrous and green adaxially. Inflorescences 3–10 cm; branches glabrous or nearly so. Involucres 1–2 × 1–1.5 (–2) mm. Flowers 1.5–2.5 mm; perianth yellow to pale-yellow, rarely nearly white, glabrous.
Phenology: Flowering Aug–Oct.
Habitat: Gravelly slopes, creosote and blackbrush communities, juniper woodlands
Elevation: 1000-1100 m
Discussion
Variety aureum is known only from Shivwits Hill near Castle Cliffs in Washington County. This rare expression is probably the result of past introgression with the no longer sympatric herbaceous perennial Eriogonum thompsoniae.
Selected References
None.
Lower Taxa
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