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Cobwebby Paintbrush
Castilleja arachnoidea
About Cobwebby Paintbrush (Castilleja arachnoidea) 0 Nurseries Carry This Plant Castilleja arachnoidea is a species of Indian paintbrush known by the common name cobwebby Indian paintbrush. It is native to northern California and Nevada and southern Oregon, where it is a resident of the local mountain ranges and the Modoc Plateau. This is a small woolly perennial herb growing up to about 30 centimeters in maximum height. Its narrow, pointed leaves are a few centimeters long and may be lobed. The flower cluster is coated in cobwebby fibers. The leafs are yellowish to dull red and the pouchlike flowers which emerge between them are greenish yellow to purplish red in color. The fruit is a capsule about a centimeter long.
Plant Description
Plant Type
Plant Type
Perennial herb, Annual herb

1 ft tall

Flower Color
Flower Color
Yellow, Red

Wildlife Supported

Landscaping Information
Full Sun

Common uses
Common uses
Butterfly Gardens

Natural Setting
Site Type
Site Type
Open summits, dry rocks

Annual Precipitation: 14.7" - 156.0", Summer Precipitation: 0.98" - 5.90", Coldest Month: 19.8" - 43.1", Hottest Month: 40.4" - 67.0", Humidity: 0.96" - 19.44", Elevation: 2195" - 10177"

Alternative Names
Common Names: Cobwebby Indian Paintbrush

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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