Oenothera argillicola Mackenzie. Common name: Shale-barren Evening-primrose. Phenology: (Jun-) Jul-Oct. Habitat: Shale barrens and woodlands. Distribution: Sc. PA south through MD to e. WV and w. VA (south to Montgomery County).
Origin/Endemic status: Endemic
Synonymy ⓘ: = C, F, FNA10, G, K4, Pa, Va, W, WV, Dietrich, Wagner, & Raven (1997), Wagner, Hoch, & Raven (2007); > Oenothera argillicola Mack. var. argillicola — Munz (1965); > Oenothera argillicola Mack. var. pubescens Core & Davis — Munz (1965)
Links to other floras: = Oenothera argillicola - FNA10; = Oenothera argillicola - FNA10
Heliophily ⓘ: 8
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Horticultural Information
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