Valerianapraecipitis (Caprifoliaceae), a species new to science and endemic to Central Chile.

The species Valerianapraecipitis (Caprifoliaceae), new to science and endemic to the Ñuble Region, Central Chile, is formally described. Morphological data support its placement in a new species, clearly different from V.philippiana . A detailed description, insights about its habitat and ecology, distribution map and illustration are provided. A table of comparison is also given with the morphological characters discriminating V.praecipitis from V.philippiana . The species is assessed as Endangered (EN) under the IUCN categories.