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Lysimachia borealis (synonym Trientalis borealis), the starflower, is a North American woodland perennial that blooms between May and June.[2][3]

Lysimachia borealis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Primulaceae
Genus: Lysimachia
Species:
L. borealis
Binomial name
Lysimachia borealis
(Raf.) U.Manns & Anderb.
Synonyms[1]
  • Trientalis americana Pursh
  • Trientalis borealis Raf.

Description


Starflowers have creeping rhizomes with 5-20 cm (8 in) vertical stalks. Each stalk has a whorl of 5–10 lanceolate leaves (up to 8 cm long) at its tip, with 1-4 (most often one or two) white flowers on smaller stalks extending from the center of the whorl. The flowers are about 15 mm (1⁄2 in) across and consist of five to nine petals that form a star-like shape. Its fruit is tiny, globe-shaped, pale blue and matte[4][5]


Conservation status


Starflower is listed as endangered by Georgia and Kentucky and is listed as threatened by Illinois and Tennessee.[6]


References


  1. "Lysimachia borealis (Raf.) U.Manns & Anderb". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 13 December 2019.
  2. VASCAN, Canadensys
  3. USDA, NRCS (n.d.). "Trientalis borealis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 December 2015.
  4. Trientalis borealis Northern Starflower Retrieved 3 November 2017.
  5. Leboeuf, Michel (2016). Arbres et plantes forestières du Québec et des Maritimes (in French) (Revised and augmented ed.). Canada: Éditions Michel Quintin. p. 279. ISBN 978-2-89762-097-4.
  6. Trientalis borealis Raf. ssp. borealis USDA Retrieved 3 November 2017.


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