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

15. Lewisia stebbinsii Gankin & W. R. Hildreth, Four Seasons. 2(4): 13, figs. a-c. 1968.

Taproots gradually ramified distally. Stems procumbent, 1.5-14 cm. Leaves: basal leaves withering after anthesis, gradually tapered to broad petiole, blade oblanceolate, spatulate, or obovate, flattened, 2.5-8.5 cm, margins entire, apex obtuse; cauline leaves absent. Inflores-cences subumbellate cymes, 1-3-branched, 3-11-flowered; bracts several, usually an opposite pair proximally, plus 2 at each flowering node distally, ovate to elliptical, 1.8-3 mm, margins glandular-toothed, apex acute. Flowers pedicellate, not disarticulate in fruit; sepals 2, broadly ovate, 3.5-7 mm, herbaceous at anthesis, margins glandular-toothed, apex rounded to truncate; petals 7-10, magenta or carmine with whitish bases, veins darker, oblanceolate or obovate, 8-10 mm; stamens 10-13; stigmas 3-4; pedicel 8-25 mm. Capsules 5-7 mm. Seeds 20, 1.5-2 mm, shiny, smooth.

Flowering late spring-early summer. Open meadows in dryish, rocky or gravelly soils; of conservation concern; 1900 m; Calif.

Lewisia stebbinsii is known only from the north Coast Ranges in Mendocino County


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