familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusOenothera
sectionOenothera sect. Gaura
subsectionOenothera subsect. Stenosiphon
Show Lower Taxa
Oenothera subsect. Stenosiphon
Syst. Bot. Monogr. 83: 167. 2007.
Basionym: Stenosiphon spach Ann. Sci. Nat., Bot., sér. 2, 4: 170. 1835
Treatment appears in FNA Volume 10.
Revision as of 18:01, 27 April 2022 by imported>Volume Importer
Herbs probably biennial; from stout roots. Stems erect, branched or unbranched. Inflorescences wandlike, nodding. Flowers 4-merous, nearly actinomorphic, opening near sunrise; floral tube 6–17 mm; petals white, slightly unequal; filaments without basal scales. Capsules erect in age, ovoid, somewhat flattened, 4-angled, valves with raised midrib and conspicuous lateral veins; sessile. 2n = 14.
Distribution
c United States.
Discussion
Species 1.
Selected References
None.