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Red Spotted Clarkia
Clarkia speciosa
  
About Red Spotted Clarkia (Clarkia speciosa) 2 Nurseries Carry This Plant Clarkia speciosa is a species of flowering plant in the Onagraceae (Evening Primrose) family known by the common name Red Spotted Clarkia. It is endemic to California, where it is known from the Central Coast and mountains and from the Sierra Nevada foothills. The plant is variable across its intergrading subspecies, taking a decumbent to erect form with a stem up to about half a meter long. The open or dense flower cluster has opening flowers and several closed buds. As the bud opens the sepals all separate from each other. The fan-shaped petals are up to 2.5 centimeters long and may be lavender to pink to deep red, sometimes fading to white or yellowish at the base. There is sometimes, but not always, a large bright red spot near the middle of the petal. There are four subspecies of this plant. One, ssp. immaculata (also sometimes called var. immaculata), is known as the Pismo clarkia and is federally listed as an endangered species. It is known from about 20 occurrences on the coastline of San Luis Obispo County near Pismo Beach. This subspecies takes a decumbent form and the petals lack the red spot.
Plant Description
Plant Type
Plant Type
Annual herb

Size
Size
2 ft tall
1 ft wide

Flower Color
Flower Color
Pink, Red, Lavender

Flowering Season
Flowering Season
Spring, Summer

Wildlife Supported
 
Flowers in the Clarkia genus attract many insects including bees and butterflies such as the Small Apollo butterfly.

 
Butterflies & moths hosted ( 5 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Full Sun, Part Shade

Moisture
Moisture
Very Low

Nurseries
Nurseries

Soil Drainage
Soil Drainage
Fast, Medium, Slow

Soil Description
Soil Description
Adaptable

Common uses
Common uses
Butterfly Gardens, Bee Gardens

Companion Plants
Companion Plants
Use with other annuals or herbaceous perennials such as Snapdragon (Antirrhinum sp.), Sitka Columbine (Aquilegia formosa), Milkweed (Asclepias sp.), Chinese Houses (Collinsia heterophylla), Western Wallflower (Erysimum capitatum), Poppy (Eschscholzia sp.), Blue Field Gilia (Gilia capitata); with geophytes such as onion (Allium sp.), Mariposa Lily (Calochortus sp.); and with small succulents such as Dudleya sp.

Natural Setting
Site Type
Site Type
sandy hills and canyons with chaparral or woodlands up to 6,000 ft. elevation

Climate
Climate
Annual Precipitation: 10.3" - 50.3", Summer Precipitation: 0.14" - 2.53", Coldest Month: 33.7" - 52.4", Hottest Month: 60.0" - 78.5", Humidity: 0.47" - 25.92", Elevation: 23" - 7096"

Alternative Names
Common Names: Redspot Clarkia


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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