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Chaenactis artemisiifolia
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Artemisia Leaved Chaenactis
( Chaenactis artemisiifolia )
Chaenactis artemisiifolia
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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3 Nurseries Carry This Plant
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About Artemisia Leaved Chaenactis (Chaenactis artemisiifolia)
3 Nurseries Carry This Plant
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Chaenactis artemisiifolia
is a species in the Asteraceae (Sunflower) family known by the common name White Pincushion. It is native from the coast to the coastal mountain ranges of southern California and Baja California. This is a robust annual herb producing an erect stem occasionally as tall as two meters but usually under one meter in height. There is a basal rosette of leaves and sparse leaves along the stem. The leaves are up to about 15 centimeters or more in length and they are divided into many lobes which are further subdivided into smaller, lacy lobes. The leaves and stem are lightly woolly; older plants have thinner coats of hair. The stem branches about midway up and bears several flower heads in a wide open flower cluster. Each head is a hairy hemispheric cup of sharp-tipped phyllaries which can be up to a centimeter long. The flower heads are discoid, containing only disc florets, but some of them are flat enough to resemble ray florets or petals. The florets are white to pink. The anthers and curly styles protrude far from each floret, making the flower head look like a pincushion. The fruit is a compressed achene about half a centimeter long with no pappus. This species is not frequently seen in gardens but is useful for restoration projects.
Plant Description
Plant Type
Annual herb
Size
1 - 6.6 ft tall
Flower Color
White, Pink
Flowering Season
Spring
Wildlife Supported
Butterflies & moths hosted ( 4
likely
* )
SHOW ALL
*
Spotted Straw Sun Moth
Heliothis phloxiphaga
Heliothis phloxiphaga
*
Common Eupithacia
Eupithecia miserulata
Eupithecia miserulata
*
Ni Moth
Trichoplusia ni
Trichoplusia ni
*
Fall Webworm
Hyphantria cunea
Hyphantria cunea
Landscaping Information
Sun
Full Sun
Moisture
Very Low
Summer Irrigation
Max 1x / month once established
Nurseries
Carried by 3
Ease of Care
Moderately Easy
Cold Tolerance
Tolerates cold to 15° F
Soil Drainage
Fast, Medium, Slow
Soil Description
Adaptable
Common uses
Bird Gardens
Companion Plants
Use with other annuals, perennials and shrubs of coastal southern California, such as
Coyote Brush
(
Baccharis pilularis
),
Sweetbush
(
Bebbia juncea
),
Buckwheat
(
Eriogonum sp.
),
California Poppy
(
Eschscholzia californica
),
Lupine
(
Lupinus sp.
), Matilija Poppy (
Romneya coulteri
or trichocalyx), Sage (
Salvia sp.
), and various cactus species
Propagation
?
By seed
Natural Setting
Site Type
Openings in chaparral or coastal sage scrub, disturbed places
Climate
Annual Precipitation: 3.8" - 43.0", Summer Precipitation: 0.15" - 2.95", Coldest Month: 37.6" - 55.7", Hottest Month: 63.1" - 86.5", Humidity: 0.99" - 37.94", Elevation: 4" - 6112"
Alternative Names
Common Names
: White Pincushion
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Artemisia Leaved Chaenactis
Chaenactis artemisiifolia
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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