Physaria ovalifolia subsp. alba

(Goodman) O’Kane & Al-Shehbaz

Novon 12: 326. 2002.

Basionym: Lesquerella ovalifolia var. alba Goodman Rhodora 38: 239. 1936
Synonyms: Lesquerella engelmannii subsp. alba (Goodman) C. Clark Lesquerella ovalifolia subsp. alba (Goodman) Rollins & E. A. Shaw Physaria ovalifolia var. alba (Goodman) B. L. Turner
Treatment appears in FNA Volume 7. Treatment on page 656. Mentioned on page 655.

Caudex usually simple. Stems usually few from base, erect or outer decumbent, 1.5–2.5 dm. Basal leaves: blade (outer) often broadly elliptic, base narrowing gradually to petiole, margins sinuate to dentate (or blade deltate, less than 1 cm, base abruptly narrowed to petiole). Racemes usually elongated. Petals white, (9–)11–15 mm, often 2 times as long as sepals. 2n = 12.


Phenology: Flowering Mar–May, usually in Apr.
Habitat: Limey and gravelly knolls, grassland hills, limestone hillsides and breaks, gypsum, shale, rocky calcareous soils, stony areas, prairie pastures, limestone roadcuts
Elevation: 150-700 m

Discussion

Selected References

None.

Lower Taxa

None.
Steve L. O’Kane Jr. +
(Goodman) O’Kane & Al-Shehbaz +
Lesquerella ovalifolia var. alba +
Kans. +  and Okla. +
150-700 m +
Limey and gravelly knolls, grassland hills, limestone hillsides and breaks, gypsum, shale, rocky calcareous soils, stony areas, prairie pastures, limestone roadcuts +
Flowering Mar–May, usually in Apr. +
Lesquerella engelmannii subsp. alba +, Lesquerella ovalifolia subsp. alba +  and Physaria ovalifolia var. alba +
Physaria ovalifolia subsp. alba +
Physaria ovalifolia +
subspecies +