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FNA | Family List | FNA Vol. 9 | Rosaceae | Ivesia

6a. Ivesia baileyi S. Watson var. baileyi

Bailey’s ivesia

Basal leaves: sheathing base densely glandular abaxially, sometimes sparsely strigose. Pedicels 2–5 mm at flowering, to 12 mm in fruit. Flowers (1–)5–30, 4–7 mm diam.; epicalyx bractlets broadly lanceolate to ovate, 1.2–2.5 mm, ± 3/4 to as long as sepals; hypanthium interior yellow to golden; sepals (2–)2.5–4 mm; petals pale yellow; filaments yellow, anther margins not reddish. Achenes ± 1.5 mm, smooth.

Flowering summer. Crevices on north-facing cliffs or similarly protected sites in canyons and on rocky outcrops mainly of volcanic origin, in sagebrush communities, conifer woodlands; of conservation concern; 1300–2600 m; Calif., Nev.

Variety baileyi occurs from Lassen and Plumas counties, California, to Churchill, Humboldt, and Pershing counties, Nevada.


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