Physaria ovalifolia subsp. alba
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
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.