California Native Plant Society
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Delphinium umbraculorum
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Umbrella Larkspur
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Delphinium umbraculorum

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About Umbrella Larkspur (Delphinium umbraculorum) Delphinium umbraculorum is a species of larkspur known by the common name umbrella larkspur. It is endemic to California, where it grows in the woodlands of the coastal mountain ranges from Monterey to Ventura Counties. It is a perennial herb producing an erect stem 40 to about 80 centimeters tall. The hairless leaves are located at the base of the plant and along the stem as well. The inflorescence bears several flowers with reflexed dark blue sepals and a spur over a centimeter long. The fruit is between 1 and 2 centimeters long.
Plant Description
Plant Type
Perennial herb

Max. Height
1.3 - 2.6 ft (0.4 - 0.8 m)

Flower Color

Flowering Season

Native Status
Natural Setting
Sun, Part Shade

Elevation ?
89' - 6768'

Annual Precip. ?
7.6" - 49.4"

Summer Precip. ?
0.14" - 0.72"

Coldest Month ?
39.7° F - 52.9° F

Hottest Month ?
61.7° F - 76.9° F

Humidity ?
0.61 vpd - 26.21 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

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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