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Threadleaf Brodiaea Back to Plant Page
Brodiaea filifolia

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About Threadleaf Brodiaea (Brodiaea filifolia) Brodiaea filifolia is a species of flowering plant in the cluster-lily genus known by the common name threadleaf brodiaea. It is endemic to southern California, mostly in the region around the junction of Orange, Riverside, and San Diego Counties, where it is a resident of scattered remaining vernal pool and grassland habitats. It is a federally listed threatened species and it is listed as an endangered species on the state level. It is a perennial producing an flower cluster 20 to 30 centimeters tall which bears bright purple flowers. Each flower has six spreading petals 1 to 1.5 centimeters long with a center containing three stamens and narrow or small staminodes, which are flat sterile stamens lying against the petals.
Plant Description
Plant Type
Perennial herb

Max. Height
0.7 - 1 ft (0.21 - 0.3 m)

Flower Color
Blue, Lavender, Purple

Flowering Season

Native Status
Natural Setting
Site Type
Open grassy places, vernal pools


Elevation ?
133' - 4730'

Annual Precip. ?
9.8" - 38.6"

Summer Precip. ?
0.23" - 1.79"

Coldest Month ?
43.2° F - 53.8° F

Hottest Month ?
67.1° F - 80.9° F

Humidity ?
1.34 vpd - 29.10 vpd

Landscaping Information
Ease of Care
Moderately Easy

Common uses
Butterfly Gardens

Nursery Availability
Rarely 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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