Tropicos | Name - Cardamine breweri S. Watson

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Cardamine breweri S. Watson

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Cardamine breweri S. Watson, Proc. Amer. Acad. Arts 10: 339. 1875. TYPE: United States, California, near Sonora Pass, 8000–10,000 ft, 17 Jul 1863, W. H. Brewer 1890 (lectotype designated by Detling (1937: 72), GH!).

Cardamine callosicrenata Piper, Bot. Gaz. 22: 488. 1896. TYPE: United States

Cardamine foliacea Greene, Pittonia 4: 201. 1900. TYPE: United States,

Cardamine hederaefolia Greene, Pittonia 4: 202. 1900. TYPE: United States, Oregon, E base of Cascade Mts., 1893, Mrs. R. M. Austin s.n. (holotype, NDG).

Cardamine leibergii Holzinger, Contr. U.S. Natl. Herb. 3: 212. 1895; C. breweri var. leibergii (Holzinger) C. L. Hitchcock, Univ. Wash. Publ. Biol. 17(2): 468. 1964; C. vallicola subsp. leibergii (Holzinger) O. E. Schulz, Bot. Jahrb. Syst. 32: 523. 1903; C. sandbergii Holzinger, Contr. U.S. Natl. Herb. 3: pl. 3. 1895. TYPE: United States, Idaho, Kootenai Co., near summit of Packsaddle Peak, 6 Aug 1892, J. H. Sandberg, D. T. MacDougal, & A. A. Heller 856 (holotype, ; isotypes, NY!; US!).

Cardamine modocensis Greene, Pittonia 4: 203. 1900. TYPE: United States, California, Modoc Co., Lassen Creek, Aug. 1894, Mrs. R. M. Austin s.n. (lectotype designated by Jepson (Fl. Calif. 2: 55. 1936), NDG).

Cardamine orbicularis Greene, Pittonia 4: 202. 1900; C. breweri var. orbicularis (Greene) Detling, Amer. J. Bot. 24: 73. 1937. TYPE: United States,

Cardamine vallicola Greene, Pittonia 3: 116. 1896. TYPE: United States,

Herbs, perennial, glabrous or rarely sparsely pubescent near base. Rhizomes slender, cylindrical, rarely slightly thickened at stem base, 1–3(–4) mm in diam.; stolons absent. Stems (0.6–)1.5–6(–7) dm, erect or decumbent at base, simple or branched, glabrous or pubescent near base. Rhizomal leaves absent; cauline leaves 3–8(–11), 3–5-foliolate or rarely only terminal leaflet present, 2.5–12(–13.5) cm; petiole (0.7)1–4(–6) cm, base not auriculate; terminal leaflet ovate to orbicular or rarely subcordate, 1.5–4(–5) × 1.5–3.5(–5) cm, petiolule 0.4–1.6 cm, base truncate, rounded or cordate, margin crenate, dentate, sinuate, or to 11-lobed, puberulent or not; lateral leaflets (when present) often considerably smaller and narrower than terminal one, subsessile or on petiolule to 4 mm, margin same as terminal leaflet. Racemes ebracteate; fruiting pedicels ascending to divaricate-ascending, (0.7–)1–2 cm. Sepals oblong, 2–3(–3.8) × 1–1.5 mm, erect, base of lateral pair not saccate; petals white, oblanceolate, 3.5–6(–7) × 1.5–2.5(–3) mm, not clawed, apex rounded or slightly emarginate; median filament pairs 2.5–3.5 mm, lateral pair 2–2.5 mm; anthers oblong, 0.7–1 mm. Fruit linear, 1.5–3.5 cm × 1–1.5 mm; valves glabrous; style 0.2–1.5(–2.5) mm; ovules and seeds 14–28 per fruit. Seeds brown, oblong, 1–1.6 × 0.9–1.1 mm.

Flowering: Jun–Jul.

Habitat: streambanks, seepage, lake shores, creeks, wet meadows, swamps, ponds.

Elevation: 1200–3000 m.

Distribution: Canada (British Columbia), United States (E and N California, N Coloradoa, Idaho, W Montana, Nevada, Oregon, N Utah, Washington, W and S Wyoming).