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Heuchera micrantha
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Crevice Alumroot
( Heuchera micrantha )
Heuchera micrantha
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Crevice Alumroot (Heuchera micrantha)
44 Nurseries Carry This Plant
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Heuchera micrantha
is a species of flowering plant in the saxifrage family known by the common name crevice alumroot. It is native to western North America from British Columbia to California, where it grows on rocky slopes and cliffs. Within California it is found primarily in the central and northern Coast Ranges and Sierra foothills.This plant is quite variable in appearance. There are a number of wild and cultivated Varieties: The leaves are lobed and usually coated in glandular hairs. They are green to reddish-green or purple-green in color and may have very long, gland-dotted petioles. The plant produces an erect flower cluster up to a meter high bearing many clusters of pink, white, or greenish flowers. Each rounded flower has fleshy, hairy lobes tipped with tiny petals and protruding stamens and stigma.
alscape, Bornstein, C., Fross, D., O’Brien, B. (2005). California Native Plants for the Garden. Cachuma Press, Schmidt, M.G, Greenberg, K.L. (2012). Growing California Native Plants (2nd ed.). University of California Press, California Flora Nursery.
Plant Description
Plant Type
Perennial herb
Size
1 - 3.3 ft tall
1 ft wide
Dormancy
Evergreen
Flower Color
Green, Pink, White, Purple
Flowering Season
Spring, Summer
Wildlife Supported
Butterflies & moths hosted ( 1
confirmed
)
SHOW ALL
Greya politella
Greya politella
Landscaping Information
Sun
Full Shade, Part Shade
Moisture
Low, Moderate - High,
Summer Irrigation
Max 1x / month once established
Nurseries
Carried by 44
Cold Tolerance
Tolerates cold to 16 degrees° F
Soil Drainage
Medium
Soil Description
Prefers rocky substrate. Soil PH: 5 - 8
Common uses
Groundcovers, Deer Resistant, Hummingbird Gardens
Companion Plants
Trees:
Tanoak
(
Notholithocarpus densiflorus
), Madrone (
Arbutus menziesii
),
Douglas Fir
(
Pseudotsuga menziesii
),
Oak
(
Quercus sp.
), Bay Laurel (
Umbellularia californica
),
Red Fir
(
Abies magnifica
),
Ponderosa Pine
(
Pinus ponderosa
)
Other plants: Manzanita (
Arctostaphylos sp.
),
Ceanothus sp.
,
Clarkia sp.
, Larkspur (
Delphinium sp.
),
Coffeeberry
(
Frangula californica
),
Coast Silktassel
(
Garrya elliptica
),
Oceanspray
(
Holodiscus discolor
),
Lilium sp.
,
Lupine
(
Lupinus sp.
),
Sticky Monkeyflower
(
Mimulus aurantiacus
),
Gooseberry
(
Ribes sp.
),
Snowberry
(
Symphoricarpos albus
or mollis)
Propagation
?
For propagating by seed: No treatment.
Natural Setting
Site Type
Moist, rocky banks and cliffs
Climate
Annual Precipitation: 11.0" - 158.4", Summer Precipitation: 0.17" - 5.94", Coldest Month: 23.4" - 54.1", Hottest Month: 43.7" - 75.8", Humidity: 0.01" - 24.57", Elevation: 3" - 10525"
Alternative Names
Botanical Names
: Heuchera micrantha var. diversifolia,Heuchera micrantha var. micrantha,Heuchera micrantha var. erubescens
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Crevice Alumroot
Heuchera micrantha
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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