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Longstalk Starwort
( Stellaria longipes )
Stellaria longipes
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Longstalk Starwort (Stellaria longipes)
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Stellaria longipes
is a species of flowering plant in the pink family known by the common name longstalk starwort. It has a circumpolar distribution, occurring throughout the northernmost latitudes of the Northern Hemisphere. It grows in a wide variety of habitat types, including tundra and taiga and many areas farther south with subalpine and alpine climates. It is extremely variable in morphology, its form depending on both genetic makeup and environmental conditions. It has a widely varying number of chromosomes. In general, it is a rhizomatous perennial herb forming mats or clumps, or growing erect. The stems may be short and simple or with sprawling and highly branched. The linear to lance-shaped leaves are usually 1 to 4 centimeters long and are oppositely arranged in pairs. The inflorescence bears one or more flowers, each on a short pedicel. The flower has five pointed green sepals each a few millimeters long. There are five white petals each divided into two lobes, sometimes shallowly, but often so deeply there appear to be two petals. The plant is gynodioecious, with some flowers having functional male and female reproductive parts and others being only female. There are two subtaxa. The rarer of the two, ssp. arenicola, is limited to the sand dunes adjacent to Lake Athabasca in central Canada.
Plant Description
Plant Type
Perennial herb
Size
10.8 in tall
Form
Upright
Growth Rate
Moderate
Flower Color
White, Green
Flowering Season
Spring
Wildlife Supported
Butterflies & moths hosted ( 14
likely
* )
SHOW ALL
*
Dainty Sulphur
Nathalis iole
Nathalis iole
*
White-lined Sphinx
Hyles lineata
Hyles lineata
*
Elegant Sheepmoth
Hemileuca eglanterina
Hemileuca eglanterina
*
Venerable Dart
Agrotis venerabilis
Agrotis venerabilis
*
Red Twin-Spot
Xanthorhoe ferrugata
Xanthorhoe ferrugata
*
Rascal Dart
Agrotis malefida
Agrotis malefida
*
Drab Brown Wave
Lobocleta ossularia
Lobocleta ossularia
Landscaping Information
Soil Description
Adaptable, tolerant of sand, loam and clay
Natural Setting
Climate
Annual Precipitation: 4.7" - 109.1", Summer Precipitation: 0.20" - 3.86", Coldest Month: 19.9" - 58.9", Hottest Month: 40.8" - 87.5", Humidity: 0.52" - 38.41", Elevation: 3" - 11979"
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Longstalk Starwort
Stellaria longipes
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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