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Lava-aster
Ionactis alpina
  
About Lava-aster (Ionactis alpina) 0 Nurseries Carry This Plant Ionactis alpina (formerly Aster scopulorum; common name Lava Ankle-aster) is a species of aster known by the common name lava aster. It is native to western United States from California to Montana, where it grows in dry areas. Ionactis alpina is a perennial herb growing from a caudex and fibrous root system. It produces a short, mostly erect, hairy stem up to 12 centimeters (4. 8 inches) in height. Most of the small leaves are on the lower part of the stem. They are up to about a centimeter (0. 4 inches) long, oval to lance-shaped and pointed, somewhat stiff and coated in hairs. Ionactis alpina is a perennial herb growing from a caudex and fibrous root system. It produces a short, mostly erect, hairy stem up to 12 centimeters (4. 8 inches) in height. Most of the small leaves are on the lower part of the stem. They are up to about a centimeter (0. 4 inches) long, oval to lance-shaped and pointed, somewhat stiff and coated in hairs. The inflorescence bears solitary flower heads with purple-green phyllaries, 7-21 thin blue, purple, or occasionally white ray florets surrounding 19-50 long yellow disc florets. The fruit is a hairy achene.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
4.7 in tall

Flower Color
Flower Color
Green, Purple, Blue

Landscaping Information
Common uses
Common uses
Butterfly Gardens, Bee Gardens

Natural Setting
Climate
Climate
Annual Precipitation: 7.6" - 36.3", Summer Precipitation: 0.91" - 2.30", Coldest Month: 24.5" - 34.6", Hottest Month: 46.2" - 65.8", Humidity: 1.14" - 20.97", Elevation: 4708" - 10154"

Alternative Names
Common Names: Crag Aster, Crag-aster, Lava Ankle-aster), Lava Aster


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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