Lewisia rediviva Pursh

Bitter root (en)

Species

Angiosperms > Caryophyllales > Montiaceae > Lewisia

Characteristics

Taproots gradually ramified distally. Stems procumbent to erect, 1-3 cm. Leaves: basal leaves withering at or soon after anthesis, sessile, blade linear to clavate, subterete or grooved adaxially, 0.5-5 cm, margins entire, apex obtuse to subacute; cauline leaves absent. Inflores-cences with flowers borne singly; bracts 4-7(-8), whorled, subulate to linear-lanceolate, 4-10 mm, margins entire, apex acuminate. Flowers pedicellate, disarticulate in fruit; sepals (4-)6-9, broadly elliptic to ovate, 10-25 mm, scarious after anthesis, margins entire to somewhat erose, apex obtuse to rounded; petals 10-19, usually rose to pink, sometimes lavender, sometimes with paler or white centers, or wholly white, elliptic, oblong, or narrowly oblanceolate, 15-35 mm; stamens 20-50; stigmas 4-9; pedicel (1-)3-15(-30) mm. Capsules 5-6 mm. Seeds 6-25, 2-2.5 mm, shiny, minutely papillate. 2n = 26, 28.
More
A small plant. The roots are fleshy. It grows 10 cm high and spreads 20 cm wide. It loses its leaves during the year. The leaves are in a dense tuft near the base. They are narrow and 5 cm long. The flowers are white. They occur singly and are 5 cm across. They have up to 6 petals. They can be pink, purple or white.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1 - 0.2
Mature height (meter) 0.08
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Gravelly to heavy, usually dry soils. Rocky dry soils of valleys, or on foothills, stony slopes, ridges and mountain summits to about 2,500 metres.
More
It is a temperate plant. In Canada it grows in dry, gravely or sandy soils in the plains and lower mountains. It suits hardiness zones 4-9.
Light 6-9
Soil humidity 4-6
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-8

Usage

The roots are eaten after boiling or roasting. They are peeled to remove the bitter rind. The roots are also dried and ground into a meal. The bitterness is reduced if plants are stored for about 2 years.
Uses food medicinal
Edible flowers roots
Therapeutic use Throat Aid (root), Breast Treatment (root), Gynecological Aid (root), Heart Medicine (root), Pulmonary Aid (root), Dermatological Aid (root), Misc. Disease Remedy (root), Blood Medicine (unspecified), Witchcraft Medicine (unspecified), Heart (unspecified), Lactogogue (unspecified), Pleurisy (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Leaf

Lewisia rediviva leaf picture by laura duncan (cc-by-sa)
Lewisia rediviva leaf picture by John John Hardham (cc-by-sa)

Flower

Lewisia rediviva flower picture by Elizabeth Shakespear (cc-by-sa)
Lewisia rediviva flower picture by Kayla Parr (cc-by-sa)
Lewisia rediviva flower picture by Susan Graham (cc-by-sa)

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:317390-2
WFO ID wfo-0001104989
COL ID 726PX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Lewisia alba Lewisia rediviva var. rediviva Lewisia rediviva

Lower taxons

Lewisia rediviva var. minor