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Arnica ovata
  

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About Lawless Arnica (Arnica ovata) Arnica ovata is a North American species of arnica in the sunflower family, known by the common name Sticky leaf arnica. It is native to western Canada (Yukon, Alberta, British Columbia), and the western United States (Alaska, Washington, Oregon, California, Nevada, Utah, Idaho, Montana, Wyoming, Colorado). Arnica ovata is an herb up to 50 cm (20 inches) tall. Flower heads are yellow, with both ray florets and disc florets. It grows in meadows and coniferous forests in mountainous areas.
Plant Description
Plant Type
Perennial herb

Max. Height
1.3 - 1.6 ft (0.4 - 0.49 m)

Flower Color
Yellow

Native Status
Native

Natural Setting
Site Type
Grassy, wet rocky places

Sun
Sun, Part Shade

Elevation ?
3767' - 12226'

Annual Precip. ?
31.3" - 101.9"

Summer Precip. ?
0.87" - 3.91"

Coldest Month ?
22.7° F - 46.2° F

Hottest Month ?
44.7° F - 69.3° F

Humidity ?
0.88 vpd - 15.81 vpd

Landscaping Information
Other Names
Botanical Names
Arnica X diversifolia

Common Names
Sticky Leaf Arnica


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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