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Large Flowered Collomia
Collomia grandiflora
  
About Large Flowered Collomia (Collomia grandiflora) 4 Nurseries Carry This Plant Collomia grandiflora is a species of flowering plant in the phlox family known by the common names grand collomia and large-flowered mountain trumpet. This annual herb is native to western North America. It is also cultivated as an ornamental. The plant produces an erect, hairy or fuzzy stem which may be red to green in color. Arranged at wide intervals along the stem are long, lance-shaped leaves, the lowermost sometimes toothed along the edges. Atop the stem is an flower cluster of several flowers in white to yellow or orange. Each tubular, flat-faced flower is 2 or 3 centimeters wide with 5 curving, light-colored petals and stamens tipped with anthers which bear blue pollen. The fruit is a capsule containing sticky seeds.
Plant Description
Plant Type
Plant Type
Annual herb

Flower Color
Flower Color
Yellow, White, Orange, Blue

Landscaping Information
Sun
Sun
Full Sun

Nurseries
Nurseries

Ease of Care
Ease of Care
Moderately Easy

Sunset Zones
Sunset Zones?
1, 2, 3, 4, 5, 6*, 7*, 8, 9*, 10*, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Natural Setting
Site Type
Site Type
Open places

Climate
Climate
Annual Precipitation: 5.5" - 125.9", Summer Precipitation: 0.14" - 3.86", Coldest Month: 25.3" - 53.7", Hottest Month: 48.2" - 78.9", Humidity: 0.29" - 29.07", Elevation: 15" - 9982"

Alternative Names
Common Names: Grand Collomia, Large-flowered Mountain Trumpet, Largeflower Mountaintrumpet, Mountain Collomia, Orange Mountaintrumpet


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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