| A new species from northern Sumatra is described as Paphiopedilum rohmanii Cavestro & O. Gruss. It is a member of the section Barbata and closely related to Paph. tonsum. Paphiopedilum rohmanii Cavestro & O. Gruss, sp.nov. Northern Sumatra, Indonesia, Aceh Tengah
Province, Nagan Raya district, in humid forest, c. 700 – 800 m, August
2017; fl owering time in culture September 2017, G. Benk, Lembang, West
Java, Indonesia. W. Cavestro, s.n. (Holotype: ANDA).
Paphiopedilum rohmanii Cavestro & O. Gruss, sp.nov. resembles Paphiopedilum tonsum (Rchb.f.) Stein but differs in defl exed, twisted at apex, more mottled
brown petals, a staminode lunate (not subreniform) and green reticulated
in the middle.