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Broom-like Ragwort
Senecio spartioides
  
0 Nurseries Carry This Plant

About Broom-like Ragwort (Senecio spartioides) 0 Nurseries Carry This Plant Senecio spartioides is a species of flowering plant in the aster family known by the common name broom-like ragwort. It is native to the western United States as far east as the Dakotas and Texas, and northern Mexico. It can be found in dry, rocky, often disturbed areas in a number of habitat types. It is a subshrub which can exceed a meter in height, its arching stems growing from a woody-topped taproot. The leaves are linear in shape and up to 10 centimeters long. The leaves usually have smooth, unlobed edges, but slightly lobed leaves are seen at times. The leaves are evenly distributed along the stems, the ones low on the stems withering away early, giving the plant a naked appearance on the lower half while the top is still lush green and blooming. The inflorescences are spreading, flat-topped arrays of many cylindrical flower heads. The heads contain yellow disc florets and generally either 5 or 8 ray florets each about a centimeter long. Senecio spartioides' silvery white pappus hairs, that carry the tiny, brown seeds aloft, attract as much attention as the golden yellow flowers. The hairs are common on many members of the Sunflower Family, most famously on Dandelions, Taraxacum officinale.
Plant Description
Plant Type
Plant Type
Perennial herb

Flower Color
Flower Color
Yellow

Wildlife Supported
 


 
Butterflies & moths hosted ( 10 likely * ) SHOW ALL
*
Vanessa cardui Image
Painted Lady Vanessa carduiVanessa cardui
*
Chlosyne palla Image
Northern Checkerspot Chlosyne pallaChlosyne palla
*
Vanessa virginiensis Image
American Lady Vanessa virginiensisVanessa virginiensis
*
Autographa californica Image
Alfalfa Looper Moth Autographa californicaAutographa californica
*
Estigmene acrea Image
Salt Marsh Moth or Acrea Moth Estigmene acreaEstigmene acrea
*
Emmelina monodactyla Image
Morning-glory Plume Moth Emmelina monodactylaEmmelina monodactyla
*
Eupithecia miserulata Image
Common Eupithacia Eupithecia miserulataEupithecia miserulata

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 6.5" - 51.7", Summer Precipitation: 0.40" - 4.45", Coldest Month: 17.9" - 48.3", Hottest Month: 38.4" - 76.3", Humidity: 1.13" - 25.68", Elevation: 2425" - 14460"

Alternative Names
Common Names: Broom Groundsel


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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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