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Glandular Yellow Phacelia
Phacelia adenophora
About Glandular Yellow Phacelia (Phacelia adenophora) 0 Nurseries Carry This Plant Phacelia adenophora is a species of phacelia known by the common name hairy yellow phacelia. It is native to the northwestern United States where it can be found in Oregon, northeastern California, and northwestern Nevada. It grows in mountain and plateau habitat. This is an annual herb producing decumbent, creeping, spreading, or upright branched stems up to 40 centimeters long. The leaves are oblong in shape and deeply lobed, measuring up to 3 centimeters long. The flower cluster is a one-sided cyme of many bell-shaped flowers each under a centimeter long. Unlike many phacelias, which bloom in shades of blue and purple, this species has yellow to golden flowers. The fruit is a fuzzy, oblong capsule a few millimeters in length containing up to 14 seeds.
Plant Description
Plant Type
Plant Type
Annual herb

0.33 - 1.3 ft tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL

Landscaping Information
Full Sun

Common uses
Common uses
Butterfly Gardens, Bee Gardens

Natural Setting
Site Type
Site Type
Flats and slopes

Annual Precipitation: 7.0" - 20.7", Summer Precipitation: 0.52" - 1.59", Coldest Month: 28.7" - 34.7", Hottest Month: 58.0" - 65.0", Humidity: 0.98" - 20.42", Elevation: 4042" - 5491"

Alternative Names
Common Names: Hairy Yellow Phacelia

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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