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Hairy Checkerbloom
Sidalcea hirsuta
About Hairy Checkerbloom (Sidalcea hirsuta) 0 Nurseries Carry This Plant Sidalcea hirsuta is a species of flowering plant in the mallow family known by the common name hairy checkerbloom. It is endemic to California, where it grows in seasonally wet habitat throughout the north-central part of the state, such as vernal pools. It is found in the North California Coast Ranges, the Sacramento Valley and San Joaquin Valley, and the Sierra Nevada foothills. Sidalcea hirsuta is an annual herb that produces a thick stem up to 80 centimeters tall, the top parts covered in bristly hairs. The leaf blades are deeply divided into narrow linear lobes and coated in bristles. The inflorescence is a dense cluster of flowers with pink petals up to 2. 5 centimeters long.
Plant Description
Plant Type
Plant Type
Annual Herb

1 - 2.6 ft tall

Flower Color
Flower Color

Wildlife Supported

Landscaping Information
Natural Setting
Annual Precipitation: 12.8" - 72.8", Summer Precipitation: 0.19" - 1.80", Coldest Month: 42.7" - 52.4", Hottest Month: 62.1" - 77.4", Humidity: 0.88" - 25.83", Elevation: 17" - 3536"

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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