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Ivesia longibracteata
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Castle Crags Ivesia
( Ivesia longibracteata )
Ivesia longibracteata
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More Info at Jepson eFlora
Calflora
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About Castle Crags Ivesia (Ivesia longibracteata)
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Ivesia longibracteata
is a rare species of flowering plant in the rose family known by the common names Castle Crags ivesia and longbract mousetail. It is endemic to Shasta County, California, where it is known only from Castle Crags. It grows in rocky granite habitat in the temperate coniferous forest.
Ivesia longibracteata
is a perennial herb forming a glandular green tuft of foliage where it grows from crevices in granite rock. The leaves are 2 to 4 centimeters long and are made up of several pairs of lobed leaflets. The inflorescence is a headlike cluster of several flowers 1 or 2 centimeters wide. Each flower is just under a centimeter long and has tiny pale yellow petals.
Ivesia longibracteata
is a perennial herb forming a glandular green tuft of foliage where it grows from crevices in granite rock. The leaves are 2 to 4 centimeters long and are made up of several pairs of lobed leaflets. The inflorescence is a headlike cluster of several flowers 1 or 2 centimeters wide. Each flower is just under a centimeter long and has tiny pale yellow petals.
Plant Description
Plant Type
Perennial herb
Size
1.2 - 4.7 in tall
Flower Color
Yellow, Green
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 70.6" - 77.6", Summer Precipitation: 1.92" - 2.33", Coldest Month: 38.5" - 43.3", Hottest Month: 55.9" - 64.5", Humidity: 3.25" - 17.31", Elevation: 4128" - 5323"
Alternative Names
Common Names
: Longbract Mousetail
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Castle Crags Ivesia
Ivesia longibracteata
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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