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Cleveland's Horkelia
Horkelia clevelandii
  
About Cleveland's Horkelia (Horkelia clevelandii) 2 Nurseries Carry This Plant Horkelia clevelandii is a species of flowering plant in the rose family known by the common name Cleveland's horkelia. It is native to the Peninsular Ranges of southern California and northern Baja California. This is a perennial herb forming clumps of long, fernlike leaves and erect stems. The leaves are up to 18 centimeters long and are made up of triangular to rounded leaflets, each toothed or lobed and covered in thin hairs. The narrow stems reach 10 to 50 centimeters in height and bear flower clusters of several flowers. Each flower has hairy, lance-shaped leaflets and pointed sepals. The narrow oval petals are white. The center of the flower contains ten stamens and up to 50 pistils.

There are many species of Horkelia in California, and the genus has undergone some taxonomic revision. For information regarding other species and varieties of Horkelia, please refer to Calflora.org or the Jepson Manual.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
0.33 - 1.6 ft tall
3 ft wide

Flower Color
Flower Color
Cream, White

Flowering Season
Flowering Season
Spring, Summer

Wildlife Supported
 


 
Butterflies & moths hosted ( 3 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Shade, Part Shade

Moisture
Moisture
Low

Nurseries
Nurseries

Soil Description
Soil Description
Soil PH: 5.8 - 6.8

Common uses
Common uses
Groundcovers, Bee Gardens

Sunset Zones
Sunset Zones?
1, 2, 3, 7*, 14, 15*, 16*, 17*, 18, 19, 20, 21, 22, 23, 24

Natural Setting
Site Type
Site Type
Meadows, under pines, on granite

Climate
Climate
Annual Precipitation: 14.6" - 34.3", Summer Precipitation: 0.21" - 3.55", Coldest Month: 27.1" - 48.2", Hottest Month: 52.9" - 78.1", Humidity: 1.01" - 28.08", Elevation: 434" - 9879"

Alternative Names
Botanical Names: Horkelia bolanderi ssp. clevelandii


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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