Stellaria yabulaiensis (Caryophyllaceae), a new species from Inner Mongolia, China

Stellaria yabulaiensis (Caryophyllaceae), a new species from Inner Mongolia, China, is described and depicted with photographic illustrations. It is similar to S. bistyla, from which differs in its slender fibrous root, longer leaves and pedicel, occurrence of three styles, and more seeds. A morphological comparison among the new species and the similar ones is also provided.