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Sierra Blazingstar
Mentzelia crocea
About Sierra Blazingstar (Mentzelia crocea) 0 Nurseries Carry This Plant Mentzelia crocea (Sierra blazingstar, saffron blazing star) is an annual wildflower endemic to the Sierra Nevada foothills of California. The flowering plant can be found up to 4,920 feet (1,500 m) elevation. The stem grows up to a meter tall. The lobed leaves in the basal rosette are up to 20 centimeters long; those farther up the stem are smaller. The flower has 5 shiny yellow petals with orange spots at the bases. The petals may reach 3. 6 centimeters in length. At the center are many long, whiskery stamens which may approach 3 centimeters long. The fruit is a narrow utricle up to 3. 5 centimeters long containing many tiny seeds which can be seen to be covered in minute bumps when viewed under magnification.
Plant Description
Plant Type
Plant Type
Annual herb, Perennial herb

3.3 ft tall

Flower Color
Flower Color
Yellow, Orange

Landscaping Information
Natural Setting
Annual Precipitation: 21.7" - 43.8", Summer Precipitation: 0.25" - 1.36", Coldest Month: 27.8" - 50.1", Hottest Month: 54.2" - 74.7", Humidity: 2.40" - 23.22", Elevation: 792" - 7672"

Alternative Names
Common Names: Saffron Blazing Star

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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