Sabia wudangensis (Sabiaceae), a New Species from Hubei Province, China

Sabia wudangensis Q.L. Gan & Z.W. Ke (Sabiaceae) is described and illustrated as a new species from western Hubei Province, central China. It morphologically resembles S. paniculata, S. limoniacea and S. swinhoei, but differs from them by having green twigs; narrow oblong-elliptic or narrowly elliptic-obovate leaves with dorsally glabrous laminae; a shorter petiole; an inflorescence pubescent with curved hairs; petals without purplish red stripes; 5 or 4 stamens that lack purplish red spots; and an endocarp that has 2–3 marginal foveolate cavity lines, concave surfaces and lacking a protruding midrib.