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

Butterflies Garden Planner My Plant Lists Nurseries Planting Guide Contact Calscape About 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....
Carquinez Goldenbush
Isocoma arguta
  
About Carquinez Goldenbush (Isocoma arguta) 0 Nurseries Carry This Plant Isocoma arguta is a rare species of flowering plant in the daisy family known by the common name Carquinez goldenbush. It has been found only in Solano and Contra Costa Counties in California, where it grows in the Sacramento-San Joaquin River Delta. It is a resident of Suisun Marsh. It thrives on alkali flats and other mineral-rich soils. Isocoma arguta is a compact subshrub reaching about half a meter-1. 5 feet (20-60 inches) tall and wide with erect, multibranched stems. The hairy stems bear small gray-green, nonfleshy, glandular leaves each less than 2 centimetres (0. 79 in) long. Isocoma arguta is a compact subshrub reaching about half a meter-1. 5 feet (20-60 inches) tall and wide with erect, multibranched stems. The hairy stems bear small gray-green, nonfleshy, glandular leaves each less than 2 centimetres (0. 79 in) long. The inflorescences hold clusters of thick, knobby flower heads. Each head is a capsule of layered greenish glandular phyllaries with an array of 10-13 cylindrical, protruding golden yellow disc florets at one end. There are no ray florets.
Plant Description
Plant Type
Plant Type
Shrub

Size
Size
1.6 ft tall

Flower Color
Flower Color
Yellow, Green, Brown

Wildlife Supported
 


 
Butterflies & moths hosted ( 3 likely * ) SHOW ALL
*
Dejongia californicus Image
Dejongia californicusDejongia californicus

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 16.7" - 22.0", Summer Precipitation: 0.20" - 0.26", Coldest Month: 47.8" - 48.6", Hottest Month: 72.4" - 73.7", Humidity: 1.55" - 20.16", Elevation: 9" - 248"

Alternative Names
Common Names: Carquinez Isocoma


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