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Southern Jewelflower
Streptanthus campestris
About Southern Jewelflower (Streptanthus campestris) 0 Nurseries Carry This Plant Streptanthus campestris is a species of flowering plant in the mustard family known by the common name southern jewelflower. It is native to southern California and northern Baja California, where it is known from fewer than 20 occurrences scattered between San Bernardino County, California, and Sierra de San Pedro M rtir in northern Baja. It grows in mountain chaparral, woodlands, and forests, at elevations up to 2300 meters (7545 feet). It is a perennial herb producing a thick, few-branched stem up to 1. 5 meters tall or more. The basal leaves have fleshy oval blades with bristly, toothed edges which are borne on petioles. Leaves farther up the stem are lance-shaped with smooth or wavy edges and bases that clasp the stem. Flowers occur at intervals on the upper stem. Each has a bell-shaped calyx of bristle-lined purple sepals with four purple tipped yellow petals emerging from the tip. The fruit is a narrow, curving or straight silique which may reach 14 centimeters in length. The already uncommon plant is moderately threatened by further habitat fragmentation.
Plant Description
Plant Type
Plant Type
Perennial herb

4.9 ft tall

Flower Color
Flower Color
Yellow, Purple

Wildlife Supported

Butterflies & moths hosted ( 8 likely * ) SHOW ALL

Landscaping Information
Natural Setting
Annual Precipitation: 6.9" - 42.0", Summer Precipitation: 0.34" - 2.83", Coldest Month: 26.3" - 52.3", Hottest Month: 50.2" - 76.2", Humidity: 1.50" - 28.43", Elevation: 683" - 9470"

Alternative Names
Common Names: Southern Jewel-flower, Southern Streptanthus

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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