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Lewisia rediviva
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Bitter Root
( Lewisia rediviva )
Lewisia rediviva
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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4 Nurseries Carry This Plant
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About Bitter Root (Lewisia rediviva)
4 Nurseries Carry This Plant
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Bitterroot (
Lewisia rediviva
Pursh) is a small, low plant in the Montiaceae (Purslane) family that is found in scattered locations in mountain areas of California up to 9,700 ft. It has a showy pink to white flower and is the state flower of Montana. The Lewisia genus is named after Meriwether Lewis. It is a low-growing perennial plant with a fleshy taproot and a simple or branched base. The The plant goes dormant in summer but will emerge from the taproot with winter rain. flower stems are leafless, 1-3 centimeter tall, bearing at the tip a whorl of 5-6 linear leafs which are 5-10 millimeter long. A single, relatively large flower appears on each stem with 6-9 oval shaped sepals. They range in color from whitish to deep pink or rose during May and June. The petals (usually about 15) are oblong in shape and are 18-35 millimeter long in length. Also see
Lewisia cotyledon
, a closely related species.
Plant Description
Plant Type
Perennial herb, Succulent
Size
1 ft tall
1 ft wide
Dormancy
Summer Deciduous
Flower Color
Pink, White
Flowering Season
Spring
Landscaping Information
Sun
Full Sun, Part Shade
Moisture
Very Low
Summer Irrigation
Never irrigate once established
Nurseries
Carried by 4
Cold Tolerance
Tolerates cold to -5° F
Soil Drainage
Fast, Medium, Slow
Soil Description
Typically requires fast draining rocky or gravelly soil. Soil PH: 5.0 - 7.0
Companion Plants
Use with other herbaceous species of the mountains, woodlands and forests such as onion (
Allium sp.
),
Brodiaea sp.
, Sulphur
Buckwheat
(
Eriogonum umbellatum
),
California Poppy
(
Eschscholzia californica
),
Blue Flax
(
Linum lewisii
), Mosquito Bill (
Primula hendersonii
),
California Buttercup
(Ranunculus californica), and Blue Eyed Grass (
Sisyrinchium bellum
)
Natural Setting
Site Type
Rocky, sandy ground, talus, clay, granite, shale, open areas
Climate
Annual Precipitation: 4.0" - 83.3", Summer Precipitation: 0.25" - 2.71", Coldest Month: 25.0" - 59.3", Hottest Month: 46.2" - 85.8", Humidity: 0.93" - 38.86", Elevation: 228" - 10256"
Alternative Names
Common Names
: Bitterroot, Oregon Bitter-root
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Bitter Root
Lewisia rediviva
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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