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Golden Linanthus
Leptosiphon aureus
About Golden Linanthus (Leptosiphon aureus) 0 Nurseries Carry This Plant Leptosiphon aureus is a species of flowering plant in the phlox family known by the common name golden linanthus. It has been reclassified by the USDA and the Jepson Manual (TJM2) from a binomial nomenclature to two subspecies: Leptosiphon aureus var. aureus for the majority of populations, and Leptosiphon aureus subsp. decorus for a smaller range of populations. The plant is native to the Southwestern United States in Arizona, Nevada, New Mexico, and Southern California; and to northwestern Mexico in Baja California state. It grows in desert flats and desert chaparral of the Mojave Desert and Sonoran Desert; in chaparral and woodlands of the Peninsular Ranges and Transverse Ranges; and in pinyon-juniper woodlands and madrean pine-oak woodlands of Madrean Sky Islands. Leptosiphon aureus is an annual herb producing a thin, threadlike stem with occasional leaves divided into narrow needlelike lobes. The oppositely arranged leaves are each divided into very narrow bristlelike lobes up to a centimeter long. The tip of the stem has an inflorescence of usually a single flower with corolla lobes under a centimeter long. With the two subspecies: ssp. aureus generally has bright to golden yellow flowers; while ssp. decorus has white or cream blooms. The bloom period is March to June. Subspecies. Two subspecies, currently replacing the binomial species name in taxonomy, overlap in geography but do not occur together. Leptosiphon aureus ssp. aureus - pinyon-juniper woodlands, madrean pine-oak woodlands in Madrean Sky Islands, and desert flats. Leptosiphon aureus subsp. decorus - endemic to Mojave Desert in California.
Plant Description
Plant Type
Plant Type
Annual herb

Landscaping Information
Natural Setting
Annual Precipitation: 3.8" - 31.2", Summer Precipitation: 0.25" - 2.89", Coldest Month: 33.0" - 59.0", Hottest Month: 55.2" - 86.0", Humidity: 1.19" - 39.30", Elevation: 844" - 8798"

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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