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Byron Larkspur
Delphinium recurvatum
About Byron Larkspur (Delphinium recurvatum) 0 Nurseries Carry This Plant Delphinium recurvatum is a species of larkspur known by the common names Byron larkspur, recurved larkspur, and valley larkspur. It is endemic to California, where most of its historical range is in the Central Valley. The grasslands of the valley have been mostly claimed for development and agriculture, so this species is now uncommon. This wildflower reaches a maximum height of about half a meter. Its deeply lobed leaves are mainly basal, with those located further up the dark purple stem being much smaller. The flowers are generally blue, with the sepals and lower petals darker than the upper petals. The sepals are usually curved back, the trait which gives the plant its name.
Plant Description
Plant Type
Plant Type
Perennial herb

1.6 - 2.8 ft tall

Flower Color
Flower Color
Lavender, Purple, Blue

Wildlife Supported

Butterflies & moths hosted ( 3 likely * ) SHOW ALL

Landscaping Information
Full Sun

Common uses
Common uses
Hummingbird Gardens, Bee Gardens

Natural Setting
Site Type
Site Type
Poorly drained, fine, alkaline soils in grassy places

Annual Precipitation: 5.4" - 28.6", Summer Precipitation: 0.12" - 0.98", Coldest Month: 35.4" - 51.5", Hottest Month: 54.8" - 78.2", Humidity: 1.03" - 29.91", Elevation: 17" - 8781"

Alternative Names
Common Names: Recurved Larkspur, Valley Larkspur

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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