familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusOenothera
sectionOenothera sect. Gaura
subsectionOenothera subsect. Stipogaura
speciesOenothera cinerea
subspeciesOenothera cinerea subsp. cinerea
Oenothera cinerea subsp. cinerea
Synonyms: Gaura villosa Torrey 1827 G. villosa var. arenicola Munz
Treatment appears in FNA Volume 10.
Herbs densely soft-villous, hairs mostly appressed, also strigillose, rarely glandular puberulent, branches of inflorescences glabrous or sparsely glandular puberulent. Leaves: blade narrowly lanceolate to very narrowly elliptic or linear, sometimes narrowly elliptic to lanceolate or narrowly oblanceolate proximally, margins subentire or shallowly sinuate-dentate, sometimes markedly so. Flowers: floral tube 2–5 mm; petals 8.5–13 mm; style 10–19 mm. 2n = 14.
Phenology: Flowering May–Aug.
Habitat: Sandy flats and dunes on high plains and rolling plains.
Elevation: 700–1700 m.
Distribution
Colo., Kans., N.J., N.Mex., Okla., Tex.
Discussion
Subspecies cinerea is locally escaped in New Jersey. It occurs in northwestern Texas, eastern New Mexico, southeastern-most Colorado, southwestern Kansas(one station farther north, in Ellis County), and the western half of Oklahoma.
Selected References
None.
Lower Taxa
None.