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Lewisia columbiana - (Howell.)B.L.Rob.
                 
Common Name Columbian Bitterroot, Columbian lewisia, Wallowa lewisia
Family Portulacaceae
USDA hardiness 4-8
Known Hazards None known
Habitats Exposed gravel banks and rocky slopes[60]. Rocky slopes and crevices at elevations of 500 - 2300 metres[270].
Range Western N. America - South British Columbia to Oregon..
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Semi-shade Full sun

Summary

Lewisia columbiana Columbian Bitterroot, Columbian lewisia, Wallowa lewisia


http://de.wikipedia.org/wiki/Benutzer:Michael_w
Lewisia columbiana Columbian Bitterroot, Columbian lewisia, Wallowa lewisia
http://commons.wikimedia.org/wiki/User:Wsiegmund
   
Physical Characteristics
 icon of manicon of flower
Lewisia columbiana is an evergreen Perennial growing to 0.2 m (0ft 8in) by 0.2 m (0ft 8in) at a slow rate.
It is hardy to zone (UK) 5 and is not frost tender. It is in leaf 12-Jan It is in flower from May to June. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Synonyms

Habitats
 Cultivated Beds; North Wall. In. East Wall. In. West Wall. In.
Edible Uses
Edible Parts: Root.
Edible Uses:

Root - cooked[257]. Said to be extremely nutritious. It is easiest to use when the plant is in flower because the outer layer of the root (which is very bitter) slips off easily at this time of the year. The root has a good taste though a decided bitter flavour develops afterwards[105, 161].
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



None known
Other Uses
None known
Cultivation details
Requires a very well-drained gritty humus-rich deep soil in a sunny position[1, 200]. Prefers a neutral to acid soil and a position in semi-shade[188]. Best if given a north or north-east aspect in order to protect it from the midday sun[200]. Thrives on almost bare rock[1]. It might be worthwhile trying this species in a crevice of a sunny drystone wall[219]. This species prefers a moister soil than most members of the genus[188]. This species is not reliably hardy in Britain. It can withstand consistently very cold weather but does not like alternating periods of mild and cold conditions, nor does it like winter wet[1]. The plant is very susceptible to rotting at the neck in a damp soil[200]. A very ornamental plant[1], it is very apt to hybridize with other members of the genus[1].
Propagation
Seed - best sown as soon as it is ripe in a cold frame in a very freely draining soil[129]. Sow stored seed as soon as possible in a cold frame. One months cold stratification should improve germination, though this is still likely to be very slow. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first two winters. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in March/April. Very difficult.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Lewisia brachycalyxShortsepal lewisia20
Lewisia pygmaeaPigmy Bitterroot, Alpine lewisia20
Lewisia redivivaBitter-Root22
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Author
(Howell.)B.L.Rob.
Botanical References
60200270
Links / References
For a list of references used on this page please go here
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Subject : Lewisia columbiana  

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