Holarrhena curtisii Isotype: Curtis 3392 (SING) Lectotype: Curtis 3392 (K) Curtis 3392 Isotype: Thailand, Lamphun, Me Ta, Kerr 2548 (E) Thailand, Lamphun, Me Ta, Kerr 2548 (K) Lectotype: Thailand, Lamphun, Me Ta, Kerr 2548 (BM) Thailand, Lamphun, Me Ta, Kerr 2548 Unknown type category: Keith 19.3.1890 Cantley 2746 Cantley 2746 Lectotype: Cantley 2746 (SING) Peninsular Malaysia, Perlis, Kanga., Ridley 14982 Isotype: Peninsular Malaysia, Perlis, Kanga., Ridley 14982 (BM) Peninsular Malaysia, Perlis, Kanga., Ridley 14982 Lectotype: Peninsular Malaysia, Perlis, Kanga., Ridley 14982 (SING) Spire 123