Home
Advanced Search Map Locator
View Settings
Nurseries Carrying this Plant Add Current Plant To List Edit Current Plant
Show all Photos

About Calscape Nurseries
California Garden Planner Bay Area Garden Planner (NEW) Planting Guide
Butterflies My Plant Lists
Contact Calscape
Tap map to see plants native to location
Order by Popularity Order by Common Name Order by Scientific Name Order by # of Butterflies Hosted
Show nursery cultivars Hide nursery cultivars
Show plants not in nurseries Hide plants not in nurseries
Grid view Text view
Loading....
Serpentine Milkweed
Asclepias solanoana
  
0 Nurseries Carry This Plant

About Serpentine Milkweed (Asclepias solanoana) 0 Nurseries Carry This Plant Asclepias solanoana is a rare species of milkweed known by the common names serpentine milkweed, prostrate milkweed, and solanoa. It is endemic to California, where it grows only in the North Coast Ranges north of the San Francisco Bay Area. This is a robust perennial herb producing smooth purple stems which lie prostrate along the ground. The thick leaves are arranged oppositely in pairs along the stem. The leaf has an oval or heart-shaped blade supported on a short petiole. The inflorescence is a heavy spherical cluster of flowers. Each flower has a central array of rounded hoods which are pink to brown and a corolla which is reflexed against the stalk or extends outwards.
Plant Description
Plant Type
Plant Type
Perennial herb

Flower Color
Flower Color
White, Red

Wildlife Supported
 


 
Butterflies & moths hosted ( 4 likely * ) SHOW ALL
*
Danaus plexippus Image
Monarch Danaus plexippusDanaus plexippus
*
Danaus gilippus Image
Queen Danaus gilippusDanaus gilippus
*
Hyles lineata Image
White-lined Sphinx Hyles lineataHyles lineata
*
Pyrrharctia isabella Image
Isabella Tiger Moth Pyrrharctia isabellaPyrrharctia isabella

Landscaping Information
Common uses
Common uses
Butterfly Gardens

Natural Setting
Climate
Climate
Annual Precipitation: 31.0" - 86.2", Summer Precipitation: 0.42" - 1.85", Coldest Month: 35.9" - 49.1", Hottest Month: 53.6" - 73.0", Humidity: 0.31" - 22.55", Elevation: 593" - 6696"

Alternative Names
Common Names: Prostrate Milkweed, Solanoa


Print Plant Sign Print Plant Label
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


Sign in to your Calscape Account X




Once signed in, you'll be able to access any previously saved plant lists or create new ones.

Email Address
Password

Sign In