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Springville Clarkia Back to Plant Page
Clarkia springvillensis

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About Springville Clarkia (Clarkia springvillensis) Clarkia springvillensis is a rare species of flowering plant in the evening primrose family known by the common name Springville clarkia. It is endemic to central Tulare County, California, where it is known from fewer than 20 occurrences around Springville. It is a federally listed threatened species. A few populations of this plant are located on private land, but several others grow on land at least partially protected by the California Department of Fish and Game, the Bureau of Land Management, and the US Forest Service within the bounds of Sequoia National Forest. Threats to the species include non-native plant species, road maintenance, grazing and trampling by livestock, and development; the population growing on the type locality near Springville was extirpated when the land was made into a mobile home park. Clarkia springvillensis is an annual herb growing erect to approach a maximum height near 1 metre (3. 3 ft). The lance-shaped leaves are up to 9 centimeters long. The herbage is hairless and waxy in texture. The inflorescence bears open flowers and hanging, closed flower buds. The deep red sepals remain fused together as the petals bloom from one side. Each petal is a diamond-shaped blade at the end of a long claw. It is pinkish-lavender with a purple spot at the base. There are 8 stamens, some with large, red anthers and some with smaller, paler anthers. The stigma protrudes from the center. Clarkia springvillensis was first described by Frank Charles Vasek in a 1964 issue of Madro o, the journal of the California Botanical Society.
Plant Description
Plant Type
Annual herb

Max. Height
3.3 ft (1 m)

Flower Color
Pink, Red

Native Status
Natural Setting
Elevation ?
820' - 3720'

Annual Precip. ?
11.6" - 29.7"

Summer Precip. ?
0.24" - 0.86"

Coldest Month ?
46.2° F - 50.8° F

Hottest Month ?
67.0° F - 78.2° F

Humidity ?
3.44 vpd - 25.82 vpd

Landscaping Information
Common uses
Butterfly Gardens, Bee Gardens

Nursery Availability
Never or Almost Never Available

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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