Two New Species of Bulbophyllum (Orchidaceae) from China

Bulbophyllum malipoense Z.J.Liu,L.J.Chen & W.H.Rao and Bulbophyllum minor Z.J.Liu,L.J.Chen & W.H.Rao,two new orchid species from China,are described and illustrated.Both of them belong to Bulbophyllum section Biseta,and are akin to B.bisetum.Bulbophyllum malipoense differs from B.bisetum by having bilobed-tipped leaves and a glabrous lip,and B.minor differs from B.malipoense by having ellipsoid-globose pseudobulbs,ovate-elliptic leaves 1.2-2cm long,shorter lateral calycules ca.1mm long,and a central calycule almost entirely adnate to the connate margins of the lateral sepals.