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Sigmoidala is a monotypic genus of flowering plants in the family Fabaceae, first established in 2019. Its only species is Sigmoidala kityana, native to Myanmar, northern Thailand and Laos. It was first described by William Grant Craib in 1927 as Millettia kityana.
As of January 2023, Plants of the World Online listed the distribution of Sigmoidala kityana as Myanmar to north and north-eastern Thailand and Laos, growing primarily in the seasonally dry tropical biome. Compton et al. (2019) state that it only occurs in a narrow region of northern and north-eastern Thailand, where it climbs among dry forest trees in partial sunlight at elevations up to 400 m (1,300 ft).
Text excerpted from the Wikipedia article Sigmoidala by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
