familyRosaceae
subfamilyRosaceae subfam. Rosoideae
genusHorkelia
sectionHorkelia sect. Tridentatae
speciesHorkelia daucifolia
Difference between revisions of "Horkelia daucifolia var. daucifolia"
Synonyms: Horkelia daucifolia subsp. latior D. D. Keck Potentilla daucifolia var. latior (D. D. Keck) J. T. Howell
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Latest revision as of 22:56, 5 November 2020
Plants mostly rosette-forming. Basal leaves grayish, 6–12(–17) cm; leaflets (5–)10–15(–25) mm, lobes 2–5(–8), linear to oblanceolate, 1–2(–3) mm wide. Pedicels (2–)3–7(–10) mm, puberulent, eglandular or sparsely glandular. Flowers: petals cuneate to obovate, 4–6 × 2–4 mm; filaments 1–2.5 mm.
Phenology: Flowering summer.
Habitat: Open areas in conifer woodlands, mainly on serpentine soil
Elevation: 500–1700 m
Discussion
Variety daucifolia occurs mostly in valleys along the central Klamath River drainage in Shasta and Siskiyou counties of northern California; a single collection (Applegate 2122, DS and US) is known from extreme southwestern Klamath County, Oregon. Scattered populations occur also in the upper Trinity River drainage in Trinity County, California; some of them have plants with atypically short, 2-fid leaflets.
Selected References
None.
Lower Taxa
None.