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Sleepy Catchfly
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Silene antirrhina
  

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About Sleepy Catchfly (Silene antirrhina) Silene antirrhina is a species of flowering plant in the pink family known by the common names sleepy silene and sleepy catchfly. It is native to the Americas, where it is widespread throughout North America and parts of South America. It is known in Europe as an introduced species. It can be found in a wide range of habitat types, including disturbed and recently burned areas. It is sometimes weedy. Silene antirrhina is quite variable in appearance, its morphology depending on several environmental factors, such as moisture level and available nutrients. In general it is an annual herb growing erect to a maximum height near 80 centimeters. The slender stem grows from a taproot and branches near the top. There are dark-colored internodes on the stem, the upper ones often glandular in sticky in texture. Insects become trapped in the sticky patches on this protocarnivorous plant, but it does not obtain any nutrients from them. The lance-shaped leaves are up to 6 centimeters long near the base of the stem, and are smaller and narrower farther up. The flower is enveloped in an inflated ovate calyx of fused sepals with ten veins. The calyx is open at the top, often revealing five double-lobed petals in shades of pink, red, or purple to white; the petals are sometimes absent.
Plant Description
Plant Type
Annual herb, Perennial herb

Flower Color
White, Pink

Native Status
Native

Natural Setting
Elevation ?
4' - 8148'

Annual Precip. ?
6.1" - 76.1"

Summer Precip. ?
0.15" - 2.95"

Coldest Month ?
29.5° F - 57.2° F

Hottest Month ?
52.0° F - 85.4° F

Humidity ?
0.80 vpd - 36.22 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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