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Bigelow's Coreopsis
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Leptosyne bigelovii
  

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About Bigelow's Coreopsis (Leptosyne bigelovii) Coreopsis bigelovii is a species of flowering plant in the daisy or sunflower family, Asteraceae, with the common names Bigelow coreopsis and Bigelow's tickseed. It is endemic to California. The plant is known from the southern California Coast Ranges, southwestern Sierra Nevada, Transverse Ranges, and the Mojave and Colorado deserts. It is widespread in a number of habitat types from Merced and Inyo Counties south to San Diego County. Coreopsis bigelovii is annual herb that produces one to many stems with erect, stemlike inflorescences 10 to 30 centimeters tall. The leaves are divided into narrow lobes which are sometimes subdivided, and most of the leaves are located at the base of the plant. The many inflorescences bear solitary flower heads, each with a bulbous involucre of rough phyllaries. The flower head has a center of many yellow disc florets and a fringe of 5 to 10 ray florets up to 2. 5 centimeters (1 inch) long. The fruit is a small achene. The fruit of the ray floret is rough and bumpy and lacks a pappus; that of the disc floret is more slender, shiny, edged with hairs, and tipped with a pappus of scales. Uses. This plant was eaten as a raw or cooked green vegetable by the native Kawaiisu and T batulabal peoples of California.
Plant Description
Plant Type
Annual herb, Succulent

Max. Height
1.0 ft (0.3 m)

Flower Color
Yellow

Flowering Season
Spring, Winter
Spring
Summer
Fall
Winter


Native Status
Native

Natural Setting
Site Type
Dry areas

Sun
Sun

Elevation ?
-132' - 11310'

Annual Precip. ?
2.4" - 53.7"

Summer Precip. ?
0.14" - 2.25"

Coldest Month ?
24.6° F - 60.6° F

Hottest Month ?
45.5° F - 90.2° F

Humidity ?
0.92 vpd - 48.21 vpd

Sunset Zones ?
7, 8*, 9*, 10, 11, 12*, 13*, 14, 15, 16, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Landscaping Information
Water Requirement ?
Extremely Low, Very Low
Extremely Low
Very Low
Low
Moderate - High


Propagation ?
For propagating by seed: Freshly harvested seeds need dry storage at 68°F for 5-8 wks. before sowing (Capon and Van Asdall 1967).

Common uses
Bee Gardens

Nursery Availability
Sometimes Available

Other Names
Botanical Names
Coreopsis bigelovii

Common Names
Bigelow Coreopsis, Bigelow's Tickseed


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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