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Brodiaea santarosae
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Santa Rosa Basalt Brodiaea
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Brodiaea santarosae

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About Santa Rosa Basalt Brodiaea (Brodiaea santarosae) Brodiaea santarosae is a rare Brodiaea species known by the common name Santa Rosa brodiaea and Santa Rosa Basalt brodiaea. It is endemic to southern California, mostly in the region around the junction of Orange, Riverside, and San Diego Counties and limited to ancient basaltic soils. There are only five known populations. It was once thought to be an intergrade of Brodiaea filifolia and B. orcuttii, but measurements found this to be false. It was described as a new species in 2007. It is on the California Native Plant Society's list of rare and endangered species. It is a perennial producing an inflorescence bearing bright purple flowers. Each flower has six spreading tepals with a center containing three stamens and narrow or small staminodes, which are flat sterile stamens lying against the tepals.
Plant Description
Plant Type
Perennial herb

Flower Color
Blue, Lavender, Purple

Native Status
Natural Setting
Elevation ?
1846' - 3436'

Annual Precip. ?
19.7" - 22.3"

Summer Precip. ?
0.36" - 0.45"

Coldest Month ?
50.5° F - 53.8° F

Hottest Month ?
70.4° F - 77.1° F

Humidity ?
2.69 vpd - 22.90 vpd

Landscaping Information
Common uses
Butterfly Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Santa Rosa Brodiaea

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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