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Calycadenia spicata
  

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About (Calycadenia spicata) Calycadenia spicata is a species of flowering plant in the daisy family known by the common name spiked western rosinweed. It is endemic to central California, where is a common grassland plant in the Central Valley and adjacent Sierra Nevada foothills from Butte County to Kern County. Calycadenia spicata is an annual herb producing a hairy, glandular stem 20 to 60 centimeters (8-24 inches) tall. The leaves are linear in shape and up to 5 centimeters (2 inches) long, sometimes longest toward the middle of the stem. The inflorescence bears one or more flower heads at separate nodes, surrounded by short bracts tipped with resin glands. The glandular and hairy flower heads have a center of several disc florets as well as whitish, triple-lobed ray florets. The fruit is an achene; those arising from the disc florets have a pappus of scales.
Plant Description
Plant Type
Annual herb

Native Status
Native

Natural Setting
Elevation ?
19' - 6810'

Annual Precip. ?
11.9" - 35.1"

Summer Precip. ?
0.25" - 0.91"

Coldest Month ?
37.8° F - 50.1° F

Hottest Month ?
59.0° F - 75.2° F

Humidity ?
1.96 vpd - 25.75 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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