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Metcalf Canyon Jewelflower
Streptanthus glandulosus
About Metcalf Canyon Jewelflower (Streptanthus glandulosus) 1 Nurseries Carry This Plant Streptanthus glandulosus is a species of flowering plant in the mustard family known by the common name bristly jewelflower. It is native to California and southwestern Oregon, where it grows in many types of habitat, including grassland, chaparral, and woodlands. Genetic and other analyses indicate that it is a species complex with ten subspecies which evolved as populations were isolated from each other. The complex includes subspecies previously considered separate species, such as the rare Tiburon jewelflower (ssp. niger) endemic to the San Francisco Bay Area. Plants in the complex are variable. In general they are annual herbs growing 10 centimeters to over a meter in height. They may be hairless to hairy to bristly. The ephemeral basal leaves have blades borne on winged petioles. Leaves higher on the stem are linear to lance-shaped and clasp the stem at their bases. Flowers occur at intervals along the upper stem. Each flower has an urn-shaped calyx of sepals one half to over one centimeter long which can be most any color from white to yellowish to pink or purple to nearly black. Purple, white, or purple-veined white petals emerge from the tip. The fruit is a straight or curving silique up to 11 centimeters long.
Plant Description
Plant Type
Plant Type
Annual herb

4 in tall

Flower Color
Flower Color
Pink, Yellow, White, Purple, Black

Wildlife Supported

Butterflies & moths hosted ( 1 confirmed , 7 likely * ) SHOW ALL

Landscaping Information
Full Sun, Part Shade


Ease of Care
Ease of Care
Moderately Easy

Natural Setting
Annual Precipitation: 5.2" - 74.9", Summer Precipitation: 0.18" - 2.07", Coldest Month: 29.0" - 60.4", Hottest Month: 53.3" - 88.3", Humidity: 0.13" - 42.82", Elevation: 7" - 8181"

Alternative Names
Botanical Names: Streptanthus albidus
Common Names: Bristly Jewelflower, White Jewelflower

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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