Difference between revisions of "Oenothera pallida subsp. latifolia"
N. Amer. Fl., ser. 2, 5: 119. 1965.
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|subfamily=Onagraceae subfam. Onagroideae | |subfamily=Onagraceae subfam. Onagroideae | ||
|tribe=Onagraceae tribe Onagreae | |tribe=Onagraceae tribe Onagreae | ||
Latest revision as of 10:31, 9 May 2022
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Herbs perennial, densely strigillose throughout; from a taproot, lateral roots producing adventitious shoots. Stems usually several, branched from base, sometimes unbranched. Leaves: rosette not present at anthesis, 1–5(–7) × (0.4–)0.7–1.5 cm; blade narrowly ovate to oblong-lanceolate or lanceolate, margins shallowly sinuate-dentate or denticulate. Flowers: buds with free tips 1–2 mm; floral tube 15–40 mm; sepals 12–30 mm; petals 15–40 mm. Capsules spreading, straight or curved, sometimes contorted. 2n = 14.
Phenology: Flowering Jun–Sep.
Habitat: Open sites, sandy soil, dunes, rocky sites in grasslands.
Elevation: 600–2000(–3100) m.
Distribution
Colo., Kans., Nebr., N.Mex., Okla., S.Dak., Utah, Wyo.
Discussion
Some collections from mostly disturbed sites in northern Utah (Cache, Salt Lake, Summit, and Tooele counties) have been identified as subsp. latifolia; it is not clear if they represent a disjunct distribution area of this subspecies, naturalized populations, or if they are pubescent forms of subsp. pallida.
Selected References
None.