Stellaria longipes

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Stellaria longipes is a species of flowering plant in the family Caryophyllaceae known by the common names longstalk starwort and Goldie's starwort.[2] It has a circumpolar distribution, occurring throughout the northernmost latitudes of the Northern Hemisphere. It is a perennial herb[3] that 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.[4] It has a widely varying number of chromosomes.[4] 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.[5]

Stellaria longipes

Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Stellaria
Species:
S. longipes
Binomial name
Stellaria longipes
Synonyms
  • Alsine longipes (Goldie) Coville
  • Stellularia longipes (Goldie) MacMill.

There are two subtaxa. The rarer of the two, subsp. arenicola, is limited to the sand dunes adjacent to Lake Athabasca in central Canada.[6]

References

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  1. ^ NatureServe (2024). "Stellaria longipes". Arlington, Virginia. Retrieved 30 January 2024.
  2. ^ USDA, NRCS (n.d.). "​Stellaria longipes​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 1 December 2015.
  3. ^ "Stellaria longipes Calflora". www.calflora.org. Retrieved 2021-11-27.
  4. ^ a b Flora of North America: ssp. longipes
  5. ^ Dang, T. and C. Chinnappa. (2007). The reproductive biology of Stellaria longipes Goldie (Caryophyllaceae) in North America. Flora - Morphology, Distribution, Functional Ecology of Plants 202:5 403-7
  6. ^ Flora of North America: ssp. arenicola
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