<strong><em>Aster jiangkouensis</em> (Asteraceae), a new species from Guizhou, China</strong>

Aster jiangkouensis (Asteraceae), a new species from karst areas of southwestern Wuling Mountain, Guizhou province, China, is described and illustrated. It is most similar to A. huangpingensis, but differs from the latter in having inconspicuously triplinerved leaves, ovate to oblong-lanceolate leaf blades, cylindric-campanulate involucre. A line drawing, photographic image and preliminary conservation status of the new species are provided.