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Smooth Goldfields
Lasthenia glaberrima
  
0 Nurseries Carry This Plant

About Smooth Goldfields (Lasthenia glaberrima) 0 Nurseries Carry This Plant Lasthenia glaberrima is a species of flowering plant in the daisy family known by the common names smooth goldfields and rayless goldfields. It is native to western North America from British Columbia to California, where it grows in wet places such as vernal pools and springtime meadows. Lasthenia glaberrima is an annual herb producing a mostly erect, hairless stem to maximum heights near 35 centimeters. The stem may branch or not, and it bears hairless linear leaves up to about 10 centimeters long. Lasthenia glaberrima is an annual herb producing a mostly erect, hairless stem to maximum heights near 35 centimeters. The stem may branch or not, and it bears hairless linear leaves up to about 10 centimeters long. Atop the stem is an inflorescence of flower heads with fused, pointed phyllaries. The head contains many yellowish or greenish disc florets. There are also yellow ray florets, but they are so short they may be nearly invisible inside the involucre of phyllaries. The fruit is a hairy achene a few millimeters long which is linear in shape with a pappus of scales.
Plant Description
Plant Type
Plant Type
Annual herb

Size
Size
1.2 ft tall

Flower Color
Flower Color
Yellow, Green

Wildlife Supported
 


 
Butterflies & moths hosted ( 1 likely * ) SHOW ALL
*
Heliothodes diminutivus Image
Small Heliothodes Moth Heliothodes diminutivusHeliothodes diminutivus

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 9.2" - 60.4", Summer Precipitation: 0.16" - 1.84", Coldest Month: 33.4" - 55.3", Hottest Month: 58.8" - 77.5", Humidity: 0.04" - 25.75", Elevation: 3" - 4791"

Alternative Names
Common Names: Rayless Goldfields


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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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