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Lambstongue Ragwort
Senecio integerrimus
  
About Lambstongue Ragwort (Senecio integerrimus) 1 Nurseries Carry This Plant Senecio integerrimus is a species of flowering plant in the aster family known by the common names lambstongue ragwort and tall western groundsel. It is native to western and central North America, where it grows in grassland, forest, and other habitat. It is a biennial or perennial herb producing a single erect stem 20 to 70 centimeters tall from a caudex with a fleshy root. The linear to lance-shaped or triangular leaves have blades up to 25 centimeters long. The herbage is slightly hairy to woolly or cobwebby. The inflorescence bears several flower heads in a cluster, the middle, terminal head often largest and held on a shorter peduncle, making the cluster look flat. The heads contain many disc florets and usually 8 or 13 ray florets which may be yellow to cream to white in color. Some heads lack ray florets.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
0.7 - 2.3 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Flower Color
Flower Color
Yellow

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


Landscaping Information
Nurseries
Nurseries

Soil Description
Soil Description
Adaptable, tolerant of sand, loam and clay

Natural Setting
Climate
Climate
Annual Precipitation: 9.2" - 151.1", Summer Precipitation: 0.33" - 5.63", Coldest Month: 19.8" - 52.0", Hottest Month: 38.8" - 79.3", Humidity: 0.08" - 24.16", Elevation: 10" - 13547"

Alternative Names
Common Names: Lamb-tongue Ragwort, Lambstongue Groundsel, Tall Western Groundsel


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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