Difference between revisions of "Lewisia columbiana"
in A. Gray et al., Syn. Fl. N. Amer. 1: 269. 1897.
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|accepted_name=Lewisia columbiana | |accepted_name=Lewisia columbiana | ||
| − | |accepted_authority=(Howell ex A. Gray) B. L. Robinson | + | |accepted_authority=(Howell ex A. Gray) B. L. Robinson |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. Gray et al., Syn. Fl. N. Amer. | |title=in A. Gray et al., Syn. Fl. N. Amer. | ||
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name=Lewisia columbiana | name=Lewisia columbiana | ||
| − | |authority=(Howell ex A. Gray) B. L. Robinson | + | |authority=(Howell ex A. Gray) B. L. Robinson |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1897 | |publication year=1897 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Lewisia | |genus=Lewisia | ||
|species=Lewisia columbiana | |species=Lewisia columbiana | ||
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Latest revision as of 17:01, 6 November 2020
Taproots gradually ramified distally. Stems procumbent to suberect, 10–12(–30) cm. Leaves: basal leaves evergreen, sessile, blade narrowly linear to linear-oblanceolate, flattened or slightly grooved on adaxial surface, 2–10 cm, margins entire, apex obtuse to acute; cauline leaves absent, or alternate and intergrading with bracts, blade linear, 5–18 mm, margins entire or eglandular-toothed, apex acute. Inflorescences paniculate cymes, 20–100-flowered; bracts alternate proximally, 2 at each flowering node distally, ovate, 2–5 mm, margins toothed to glandular-toothed, apex obtuse. Flowers pedicellate, not disarticulate in fruit; sepals 2, suborbiculate, 1.5–3 mm, herbaceous at anthesis, margins glandular-toothed, apex rounded to truncate; petals 4–9(–11), white with pink veins to pink to magenta, oblong or obovate, 5–13 mm; stamens 5–6; stigmas 2 or 3; pedicel 5–13 mm. Capsules 3–6 mm. Seeds (1–)3–7, 1.5–2 mm, shiny, shallowly warted.
Distribution
B.C., Idaho, Mont., Oreg., Wash.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Petals (10-)12-13 mm; cauline leaves usually absent; basalmost bract margins glandular-toothed; basal leaf blades ± linear, 2-3 cm | Lewisia columbiana var. rupicola |
| 1 | Petals 5-11 mm; cauline leaf and/or basalmost bract margins entire or eglandular-toothed; basal leaf blades narrowly oblanceolate, 2-10 cm | > 2 |
| 2 | Petals 7-11 mm; basal leaf blades 2-10 cm | Lewisia columbiana var. columbiana |
| 2 | Petals 5-8(-10) mm; basal leaf blades 2-4 cm | Lewisia columbiana var. wallowensis |