Lysimachia borealis (synonym Trientalis borealis), the starflower, is a North American woodland perennial that blooms between May and June. Description Starflowers have creeping rhizomes with 5- 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 across and consist of five to nine petals that form a star-like shape. Its fruit is tiny, globe-shaped, pale blue and matte Conservation status Starflower is listed as endangered by Georgia and Kentucky and is listed as threatened by Illinois and Tennessee. References Northern Starflower, borealforest.org Wildflowers of Minnesota's Northwoods pamphlet, 1999, Minnesota DNR borealis Flora of North America Plants described in 1808