Lewisia columbiana (howell ex A.gray) B.l.rob.

Columbian lewisia (en)

Species

Angiosperms > Caryophyllales > Montiaceae > Lewisia

Characteristics

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.
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A small plant. It is evergreen. It grows 30 cm high and spreads 20 cm wide. The leaves are narrow and fleshy and crowded near the base. They are 25-100 mm long. The flowers occur as many in a head. They are red or white with pink veins. They are 25 mm across. They can have up to 11 petals.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.2
Mature height (meter) 0.2
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Exposed gravel banks and rocky slopes. Rocky slopes and crevices at elevations of 500-2300 metres.
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It suits hardiness zones 5-9.
Light 4-8
Soil humidity 3-7
Soil texture 3-6
Soil acidity 3-6
Soil nutriment -
Hardiness (USDA) 4-8

Usage

The roots are steamed or boiled and can be stored for later use.
Uses environmental use medicinal
Edible flowers roots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings. Seeds needs stratification.
Mode seedlings
Germination duration (days) 365
Germination temperacture (C°) 17 - 21
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Lewisia columbiana unspecified picture

Distribution

Lewisia columbiana world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:698889-1
WFO ID wfo-0001104973
COL ID 6Q72B
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Lewisia columbiana Talinum denticulatum Oreobroma columbianum Lewisia columbiana var. columbiana Lewisia columbiana subsp. columbiana

Lower taxons

Lewisia columbiana var. wallowensis Lewisia columbiana var. rupicola