Four new species of L. (Euphorbiaceae, Acalyphoideae) from the West Indian Ocean Region.

Four new species of (Euphorbiaceae, Acalyphoideae) from the Western Indian Ocean Region, based on morphological and molecular evidence, are described, illustrated, and mapped. sp. nov., sp. nov. and sp. nov. are endemic to Madagascar, and sp. nov. is known only from Mbouzi islet (Mayotte), in the Comoros Archipelago. We also describe for the first time in the presence of membranous or chartaceous perules covering the axillary buds. Preliminary conservation assessments of the new species are also provided.