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.
Warren L. Wagner +
(Wooton & Standley) W. L. Wagner & Hoch +
Gaura cinerea +
Colo. +, Kans. +, N.J. +, N.Mex. +, Okla. +  and Tex. +
700–1700 m. +
Sandy flats and dunes on high plains and rolling plains. +
Flowering May–Aug. +
Syst. Bot. Monogr. +
Gaura villosa +  and G. villosa var. arenicola +
Oenothera cinerea subsp. cinerea +
Oenothera cinerea +
subspecies +