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Bur Marigold
( Bidens laevis )
Bidens laevis
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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3 Nurseries Carry This Plant
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About Bur Marigold (Bidens laevis)
3 Nurseries Carry This Plant
Add to My Plant List
Bidens laevis
is a species of flowering plant in the daisy family known by the common names bur-marigold and smooth beggarticks. It is native to the southern half of the United States, where it grows in wetlands, including estuaries and riverbanks. It is similar in appearance to its relative
Bidens cernua
and the two are sometimes confused. This is an annual or perennial herb growing over 20 centimeters tall and sometimes much taller, exceeding one meter in height and sometimes approaching two. The narrow lance-shaped leaves are 5 to 15 centimeters long, with finely toothed edges and pointed tips. The flower cluster bears one or more flower heads which bend down as they become heavy with fruit after flowering. Each head has a center of yellow disc florets and a fringe of 7 or 8 yellow ray florets each up to 3 centimeters long. The fruit is a sharply barbed achene.
Plant Description
Plant Type
Perennial herb
Size
0.7 - 8 ft tall
Form
Upright
Growth Rate
Fast
Flower Color
Yellow
Flowering Season
Summer, Fall
Wildlife Supported
Butterflies & moths hosted ( 8
likely
* )
SHOW ALL
*
Dainty Sulphur
Nathalis iole
Nathalis iole
*
Long-Tailed Skipper
Urbanus proteus
Urbanus proteus
*
Northern Cloudywing
Thorybes pylades
Thorybes pylades
*
Virginian Tiger Moth
Spilosoma virginica
Spilosoma virginica
*
Common Eupithacia
Eupithecia miserulata
Eupithecia miserulata
*
Southern Emerald
Synchlora frondaria
Synchlora frondaria
*
Sunflower Moth
Homoeosoma electella
Homoeosoma electella
Landscaping Information
Sun
Full Sun
Moisture
Moderate - High
Nurseries
Carried by 3
Soil Description
Adaptable, tolerant of sand, loam and clay
Common uses
Butterfly Gardens
Propagation
?
For propagating by seed: No treatment.
Sunset Zones
?
7, 8*, 9*, 10, 11, 12*, 14*, 15*, 16*, 18*, 19*, 20*, 21*, 22*, 23*, 24*
Natural Setting
Climate
Annual Precipitation: 3.0" - 42.3", Summer Precipitation: 0.14" - 1.53", Coldest Month: 30.1" - 57.4", Hottest Month: 61.0" - 89.3", Humidity: 0.40" - 39.89", Elevation: -190" - 6636"
Alternative Names
Common Names
: Bur-marigold, Smooth Beggarticks
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Bur Marigold
Bidens laevis
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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