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Santa Cruz Island Dudleya
Dudleya nesiotica
  
3 Nurseries Carry This Plant

About Santa Cruz Island Dudleya (Dudleya nesiotica) 3 Nurseries Carry This Plant Dudleya nesiotica is a very rare succulent plant known by the common name Santa Cruz Island liveforever. This dudleya is endemic to Santa Cruz Island, one of the Channel Islands of California. This is a squat plant growing in mats on the rocky, exposed ground of the windswept island. It is a federally listed threatened species. Dudleya nesiotica bears a few pointed or rounded leaves during the winter months when moisture is available, and it goes dormant during the summer, leaving behind only its tough caudex. It blooms in short inflorescences of small white star-shaped flowers. It is self-compatible, so it can reproduce without receiving the pollen of another plant. Ecology. Various mosses and lichens may be beneficial to the germination of the seeds of this plant by adding nutrients, moisture, substrate, and protection from snails and slugs. This plant is known from a single population which is spread over about 32 acres of land on this island. The population ranges between 4000 and 260,000 individual plants. All the plants occur on land which is owned and protected by The Nature Conservancy. There are several factors affecting the abundance of this species. It has been impacted by habitat loss and degradation, including the loss of soil on the island. This was the result of introduced species such as pigs, cows, and sheep, as well as non-native weeds. The soil became compacted and eroded, and it lost the upper layers of leaf litter and cryptobiotic crust. Soil loss is continuing even after the removal of the non-native mammals. This plant may hybridize with some of its relatives, including D. greenei and D. candelabrum.
Plant Description
Plant Type
Plant Type
Perennial herb, Succulent

Size
Size
3.6 - 8.4 in tall

Flower Color
Flower Color
White, Yellow

Wildlife Supported
 


 
Butterflies & moths hosted ( 2 likely * ) SHOW ALL
*
Philotes sonorensis Image
Sonoran Blue Philotes sonorensisPhilotes sonorensis
*
Argyrotaenia franciscana Image
Orange Tortrix Moth Argyrotaenia franciscanaArgyrotaenia franciscana

Landscaping Information
Nurseries
Nurseries
Carried by 3

Common uses
Common uses
Bird Gardens, Hummingbird Gardens

Natural Setting
Climate
Climate
Annual Precipitation: 12.7" - 13.6", Summer Precipitation: 0.18" - 0.18", Coldest Month: 52.1" - 53.4", Hottest Month: 63.6" - 68.0", Humidity: 1.38" - 11.77", Elevation: 20" - 65"

Alternative Names
Common Names: Santa Cruz Island Live-forever, Santa Cruz Island Liveforever


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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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