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Monarch Goldenaster
Heterotheca monarchensis
About Monarch Goldenaster (Heterotheca monarchensis) 0 Nurseries Carry This Plant Heterotheca monarchensis is a rare species of flowering plant in the aster family known by the common names monarch goldenaster and sequoia false goldenaster. It is endemic to Fresno County, California, where it is known from only one location near Boyden Cave in the Kings River Canyon. It grows in the limestone cliffs of this Sierra Nevada river canyon, along with a few other rare local endemics. The plant was discovered in July, 1995, and described to science as a new species in 1996. This is a perennial herb anchored in the rocky substrate by a taproot and producing one to many erect, spreading stems up to about 18 centimeters tall. The leaves have lance-shaped or oval blades which are densely hairy and bristly in texture, with some resin glands. They measure up to 2. 5 centimeters long by a few millimeters in width and do not become much smaller toward the ends of the branches. The inflorescence contains one to five flower heads, each with up to 19 yellow ray florets measuring 1 to 1. 5 centimeters in length. At the center are many hairy yellow disc florets.
Plant Description
Plant Type
Plant Type
Perennial herb

7.1 in tall

Flower Color
Flower Color

Landscaping Information
Common uses
Common uses
Butterfly Gardens, Bee Gardens

Natural Setting
Annual Precipitation: 35.0" - 36.1", Summer Precipitation: 0.78" - 0.82", Coldest Month: 40.0" - 42.6", Hottest Month: 68.6" - 69.4", Humidity: 2.92" - 20.84", Elevation: 3995" - 5126"

Alternative Names
Common Names: Sequoia False Goldenaster

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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