Lysimachia lydgatei is a rare species of flowering plant in the family Primulaceae known by the common name Maui yellow loosestrife.USDA Plants Profile It is endemic to Hawaii, where there are only four occurrences remaining on the island of Maui, the total number of plants under 300.Lysimachia lydgatei. The Nature Conservancy. It is federally listed as an endangered species of the United States.
This is a shrub growing up to 1.3 meters long and bearing solitary flowers. It grows in moist or wet shrublands on three ridges on West Maui. It is always found alongside its relative, Lysimachia remyi.Marr, K. L and B. A. Bohm. (1997). A taxonomic revision of the endemic Hawaiian Lysimachia (Primulaceae) including three new species. Pac Sci 51(3) 254-87.
The plant is threatened by the invasion of non-native plant species in its habitat.
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