Flora of the Southeastern United States

Oenothera filiformis (Small) W.L. Wagner & Hoch. Common name: Large-flowered Gaura, Biennial Gaura, Tall Gaura. Phenology: Jun-Oct. Habitat: Glades, prairies, woodlands, shell middens and calcareous hammocks, openings in bottomland forests, disturbed areas, especially over calcareous soils. Distribution: MI, WI, MN, SD, and NE, south to AL, MS, LA, and s. TX.

ID notes: Often confused with O. gaura, but easily separated by its densely strigillose (vs. primarily spreading-villous) pubescence.

Origin/Endemic status: Native

Synonymy ⓘ: = FNA10, K4, Mi, Mo3, NE, Wagner, Hoch, & Raven (2007); = Gaura biennis L. var. pitcheri Torr. & A.Gray — C, F, G, Munz (1965); = Gaura filiformis Small ssp. filiformis — Tx; = Gaura longiflora Spach — Ar, GrPl, Il, NcTx, Tn, preoccupied name; = n/a — Pa, Tat; > Gaura biennis L. var. pitcheri Torr. & A.Gray — Munz (1938); > Gaura filiformis Small — S, S13; > Gaura filiformis Small var. kearneyi Munz — Munz (1938); > Gaura filiformis Small var. munzii Cory — Munz (1938); > Gaura filiformis Small var. typica Munz — Munz (1938); > Gaura longiflora Spach — S, S13; > Gaura pitcheri (Torr. & A.Gray) Small — S13. Basionym: Gaura filiformis Small 1898

Links to other floras: = Oenothera filiformis - FNA10

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Heliophily ⓘ: 9