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Sea Dahlia
( Leptosyne maritima )
Leptosyne maritima
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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12 Nurseries Carry This Plant
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About Sea Dahlia (Leptosyne maritima)
12 Nurseries Carry This Plant
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Leptosyne maritima
(Sea Dahlia or Beach Coreopsis) is a rare plant species in the Asteraceae (Sunflower) family (CNPS list 2B.2). It was formerly included in the genus Coreopsis and some sources still refer to it by that name. This species is a perennial that grows 10-40 centimeters tall but sometimes to 80 centimeters (4 to 32 inches), from a fleshy taproot. The stems are hollow, fragile and often floppy. Plants bloom in late winter to early summer, with normally one or two flower heads per stem, on 15 to 30 centimeters long peduncles, but sometimes 4 or more flowers can be found per stem. It has foliage that is lobed and mostly linear in shape with lobes that are 5-30 millimeters long and 1-2 millimeters wide. The 12-20 millimeter long flower phyllaries number 12-13, sometimes more, and they are lance-shaped. Flower heads typically have 16-21 ray florets, and the laminae are 20-35+ millimeters long. The disc corollas are 5.5-7 millimeters long. Fruits are 6-7 millimeters long and oblong-rectangular in shape.
Leptosyne maritima
is native to a very small area of southern California and Baja California, where it typically grows on ocean bluffs and dunes at elevations under 100 ft.
Plant Description
Plant Type
Anual herb, Succulent
Size
0.33 - 2.6 ft tall
3 ft wide
Growth Rate
Moderate
Dormancy
Summer Semi-Deciduous
Fragrance
None
Flower Color
Yellow
Flowering Season
Spring
Wildlife Supported
Butterflies & moths hosted ( 2
likely
* )
SHOW ALL
*
Wavy-Lined Emerald
Synchlora aerata
Synchlora aerata
*
Orange Tortrix Moth
Argyrotaenia franciscana
Argyrotaenia franciscana
Landscaping Information
Sun
Full Sun
Moisture
Very Low
Nurseries
Carried by 12
Ease of Care
Moderately Easy
Cold Tolerance
Tolerates cold to 35° F
Soil Drainage
Fast, Medium
Soil Description
Prefers sand or sandstone. Soil PH: 6.0 - 7.0
Common uses
Bee Gardens
Natural Setting
Site Type
Seabluffs and dunes of the south coast as part of coastal strand and coastal sage scrub
Climate
Annual Precipitation: 9.5" - 34.0", Summer Precipitation: 0.18" - 0.48", Coldest Month: 39.9" - 56.7", Hottest Month: 69.0" - 72.8", Humidity: 1.75" - 14.82", Elevation: 0" - 400"
Alternative Names
Botanical Names
: Coreopsis maritima
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Sea Dahlia
Leptosyne maritima
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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