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Ranunculus eschscholtzii
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Eschscholtz's Buttercup
( Ranunculus eschscholtzii )
Ranunculus eschscholtzii
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Eschscholtz's Buttercup (Ranunculus eschscholtzii)
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Ranunculus eschscholtzii
is a species of buttercup known by the common name Eschscholtz's buttercup. It is native to much of western North America from Arctic northwestern Canada and Alaska to California to New Mexico, where it grows in meadows and talus on high mountain slopes and other open rocky habitat. It is a perennial herb producing one or more erect stems up to 20 or 25 centimeters tall. The lower leaves have somewhat rounded blades each divided into a few lobes and borne on long petioles. Any upper leaves are smaller and not borne on petioles. The herbage is hairless and sometimes waxy in texture. The inflorescence is made up of one to three flowers on narrow pedicels. The flower has five to eight oval or rounded shiny yellow petals up to 1. 5 centimeters long each around a central nectary with many stamens and pistils. The fruit is an achene borne in a cluster of 17 or more. Media related to
Ranunculus eschscholtzii
at Wikimedia Commons
Plant Description
Plant Type
Perennial Herb
Size
0.7 - 1 ft tall
Form
Upright
Growth Rate
Moderate
Flower Color
Yellow
Flowering Season
Summer
Wildlife Supported
Butterflies & moths hosted ( 2
likely
* )
SHOW ALL
*
Purple-Lined Sallow
Pyrrhia exprimens
Pyrrhia exprimens
*
White Triangle Tortrix
Clepsis persicana
Clepsis persicana
Landscaping Information
Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.
Natural Setting
Climate
Annual Precipitation: 10.8" - 105.3", Summer Precipitation: 0.25" - 3.92", Coldest Month: 16.4" - 47.0", Hottest Month: 36.8" - 74.6", Humidity: 0.75" - 24.98", Elevation: 1818" - 14134"
Alternative Names
Common Names
: Largeflower Buttercup, Spruce-fir Buttercup
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Eschscholtz's Buttercup
Ranunculus eschscholtzii
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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