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Death Valley Phacelia
Phacelia vallis-mortae
About Death Valley Phacelia (Phacelia vallis-mortae) 0 Nurseries Carry This Plant Phacelia vallis-mortae is a species of flowering plant in the borage family, Boraginaceae, known by the common name Death Valley phacelia. It is native to the southwestern United States, where it grows in deserts such as Death Valley, and mountain, plateau, and valley scrub habitat. It is an annual herb growing up to 60 centimeters tall with a branching or unbranched stem. It is coated in soft and stiff hairs. The leaves are up to 8 centimeters long and most are compound, divided into smaller leaflets lined with teeth or lobes. The hairy inflorescence is a one-sided curving or coiling cyme of bell-shaped flowers. Each flower 1 to 1. 5 centimeters long and a shade of lavender or purple, surrounded by a calyx of narrow sepals coated in long hairs.
Plant Description
Plant Type
Plant Type
Annual herb

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 5 likely * ) SHOW ALL

Landscaping Information
Common uses
Common uses
Butterfly Gardens, Bee Gardens

Natural Setting
Annual Precipitation: 3.1" - 47.0", Summer Precipitation: 0.18" - 3.11", Coldest Month: 25.5" - 57.2", Hottest Month: 54.6" - 85.8", Humidity: 1.71" - 41.65", Elevation: 802" - 8744"

Alternative Names
Common Names: Death Valley Scorpionweed

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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