Difference between revisions of "Lewisia columbiana"
in A. Gray et al., Syn. Fl. N. Amer. 1: 269. 1897.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Calandrinia columbiana | |name=Calandrinia columbiana | ||
|authority=Howell ex A. Gray | |authority=Howell ex A. Gray | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
| + | |publication_place=22: 277. 1887 | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V4/V4_962.xml |
|genus=Lewisia | |genus=Lewisia | ||
|species=Lewisia columbiana | |species=Lewisia columbiana | ||
Revision as of 20:03, 24 September 2019
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
w North America.
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 |