Malleola witteana (Rchb.f.) J.J.Sm. & Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1: 981 (1913).
Plant cultivated at the Leiden botanical garden. Accession number HBL20051610
Plant collected in Sumatra Utara. Indonesia.
Leiden herbarium number 21260