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FNA | Family List | FNA Vol. 4 | Portulacaceae | Lewisia

3c. Lewisia columbiana (Howell ex A. Gray) B. L. Robinson var. wallowensis C. L. Hitchcock in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 2: 232, fig. s.n. 1964.

Lewisia columbiana subsp. wallowensis (C. L. Hitchcock) J. E. Hohn ex B. Mathew

Basal leaf blades narrowly oblanceolate, 2-4 cm. Cauline leaves markedly reduced, intergrading with bracts; blade margins entire or eglandular-toothed. Inflorescences: basal-most bract margins entire or eglandular-toothed. Petals white with pink veins; 5-8(-10) mm.

Flowering late spring-summer. Rocky slopes and crevices; 1600-2700 m; Idaho, Mont., Oreg., Wash.

Both B. L. Davidson (2000) and B. Mathew (1989b) questioned whether the Montana plants should be classified as var. wallowensis or var. columbiana.


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