Lysimachia borealis

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 8 inch (20 cm) vertical stalks. Each stalk has a whorl of 5-9 lanceolate leaves at its tip, with one or two white flowers on smaller stalks extending from the center of the whorl. The flowers are about 0.5 inches (11 mm) across and consist of five to nine petals that form a star-like shape.[4]

Conservation status

Starflower is listed as endangered by Georgia and Kentucky and is listed as threatened by Illinois and Tennessee.[5]

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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. "Trientalis borealis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 December 2015.
  4. Trientalis borealis Northern Starflower Retrieved 3 November 2017.
  5. Trientalis borealis Raf. ssp. borealis USDA Retrieved 3 November 2017.
  • Northern Starflower, borealforest.org
  • Wildflowers of Minnesota's Northwoods pamphlet, 1999, Minnesota DNR
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