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Burke's Goldfields
Lasthenia burkei
  
0 Nurseries Carry This Plant

About Burke's Goldfields (Lasthenia burkei) 0 Nurseries Carry This Plant Lasthenia burkei is a rare species of flowering plant in the daisy family known by the common names Burke's goldfields and Burke's baeria. The plant is endemic to California, where it is known from three counties north of the San Francisco Bay Area. It grows in moist spring meadows and vernal pools. Critically endangered plant. This is a listed endangered species on the federal level in the United States and the state level in California. It is listed as Critically Imperiled-Critically endangered by NatureServe. There are probably fewer than ten occurrences in Lake, Mendocino, and Sonoma Counties. It is threatened by the destruction and degradation of its rare wetland habitat, and it may be extinct by 2025. Lasthenia burkei is an erect annual herb producing hairy stems with sparse linear or deeply divided, narrow, pointed leaves a few centimeters long. Atop the stem is an inflorescence, which is a flower head with a base of hairy phyllaries. The head contains many yellow disc florets surrounded by a fringe of several short ray florets, which are usually also yellow. The fruit is a hairy, club-shaped achene less than 2 millimeters long.
Plant Description
Plant Type
Plant Type
Annual herb

Flower Color
Flower Color
Yellow

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 31.6" - 46.9", Summer Precipitation: 0.38" - 0.84", Coldest Month: 44.8" - 47.2", Hottest Month: 70.8" - 72.8", Humidity: 0.41" - 21.02", Elevation: 53" - 2240"

Alternative Names
Common Names: Burke's Baeria


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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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