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Senecio lyonii
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Island Senecio
( Senecio lyonii )
Senecio lyonii
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
Click on blue squares to see occurrence records.
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1 Nurseries Carry This Plant
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About Island Senecio (Senecio lyonii)
1 Nurseries Carry This Plant
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Senecio lyonii
is an uncommon species of flowering plant in the aster family known by the common name island senecio. This island endemic is known only from Guadalupe Island off the coast of Baja California and two of the Channel Islands of California, Catalina and San Clemente Islands. It grows in the coastal sage scrub and chaparral of the islands' hills and canyons. It is a shrub or subshrub growing from a woody taproot and reaching top heights well over one meter. The leaves have blades up to 12 centimeters long which are divided deeply into many narrow lobes. The inflorescence is made up of many clusters of flower heads. Each head has narrow phyllaries usually tipped with black, yellow disc florets and a fringe of yellow ray florets each about a centimeter long.
Plant Description
Plant Type
Shrub
Size
3.3 ft tall
Flower Color
Yellow
Wildlife Supported
Butterflies & moths hosted ( 14
likely
* )
SHOW ALL
*
Painted Lady
Vanessa cardui
Vanessa cardui
*
American Lady
Vanessa virginiensis
Vanessa virginiensis
*
Alfalfa Looper Moth
Autographa californica
Autographa californica
*
Salt Marsh Moth or Acrea Moth
Estigmene acrea
Estigmene acrea
*
Garden Tortrix Moth
Clepsis peritana
Clepsis peritana
*
Dusky Raisin Moth
Ephestiodes gilvescentella
Ephestiodes gilvescentella
*
Morning-glory Plume Moth
Emmelina monodactyla
Emmelina monodactyla
Landscaping Information
Nurseries
Carried by 1
Natural Setting
Climate
Annual Precipitation: 7.8" - 13.9", Summer Precipitation: 0.19" - 0.29", Coldest Month: 53.2" - 57.5", Hottest Month: 65.2" - 72.8", Humidity: 1.44" - 17.38", Elevation: -89" - 1647"
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Island Senecio
Senecio lyonii
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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