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Desert Lily
Hesperocallis undulata
About Desert Lily (Hesperocallis undulata) 1 Nurseries Carry This Plant Hesperocallis is a genus of flowering plants that includes a single species, Hesperocallis undulata, the desert lily, found in the desert areas of the southwest of North America. Hesperocallis has traditionally been classified in Liliaceae but until recently its relationships have been unclear. Other classifications have included it in Hemerocallidaceae or Funkiaceae. In 1972, Hamilton Traub created the family Hesperocallidaceae with Hesperocallis as the sole included genus. The APG II system includes it in the family Asparagaceae in the order Asparagales in the monocots clade but allows for the optional segregation of Hesperocallidaceae as a monophyletic family when several other families are likewise segregated. Recent molecular systematic studies have confirmed a close relationship with Agave and its inclusion in family Agavaceae has been recommended (Pires et al. 2004).
To learn more, visit the Jepson Herbarium's YouTube channel and watch a short video about this species.
Plant Description
Plant Type
Plant Type
Perennial herb

6 ft tall

Landscaping Information
Full Sun


Ease of Care
Ease of Care
Moderately Easy

Soil Drainage
Soil Drainage

For propagating by seed: No treatment.

Sunset Zones
Sunset Zones?
12, 13

Natural Setting
Site Type
Site Type
Sandy flats

Annual Precipitation: 2.6" - 14.4", Summer Precipitation: 0.26" - 2.49", Coldest Month: 44.8" - 63.3", Hottest Month: 66.0" - 89.3", Humidity: 1.48" - 42.82", Elevation: -227" - 5432"

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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