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Waltham Creek Clarkia
Clarkia modesta
About Waltham Creek Clarkia (Clarkia modesta) 1 Nurseries Carry This Plant Clarkia modesta is a species of flowering plant in the evening primrose family known by the common name Waltham Creek clarkia. It is endemic to California, where it is known from the woodlands of several of the central mountain ranges, including the North and Central Coast Ranges and the Sierra Nevada foothills. It is an erect annual herb often exceeding half a meter in height. The oval, linear, or lance-shaped leaves are 2 to 4 centimeters long. The inflorescence bears opening flowers and closed, hanging flower buds. The sepals remain fused as the petals bloom from one side. The petals are about a centimeter long and vary in shape from diamond to widely lance-shaped. They are pale to deep pink and generally dark-flecked or spotted.
Plant Description
Plant Type
Plant Type
Annual herb

1.6 ft tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 5 likely * ) SHOW ALL

Landscaping Information

Common uses
Common uses
Butterfly Gardens, Bee Gardens

Natural Setting
Annual Precipitation: 7.6" - 70.9", Summer Precipitation: 0.20" - 1.98", Coldest Month: 24.6" - 50.7", Hottest Month: 45.5" - 77.7", Humidity: 0.81" - 25.83", Elevation: 33" - 11310"

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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