Systematic revision of Orobanche pycnostachya and first record of O. filicicola (Orobanchaceae) in Russia

Plants whose morphological characteristics correspond to those of Orobanche filicicola Nakai ex Hyun, Lim et Shin as described by (1952) and validated Huyn al. (2003), were in 2012 found for the first time Russia (Far East, Primorye Territory) growing on banks Ussuri River Chuguyevsky District a mixed population with O. amurensis (Beck) Kom. SE flank Sikhote-Alin Mountains (Lazovsky District). The status taxon has been revised. As result, it is reclassified new variety pycnostachya Hance, namely var. (Nakai Shin) Rätzel Uhlich. In this context, are discussed, including relationship pycnostachya. addition, coerulescens Stephan, f. cristata Beck, lehmannii pekinensis arenaria Serg., macrolepis Turcz., pycnostachya, albo-lutea quadrivalvis Regel ussuriensis Novopokr. lectotypified. Three necessary combinations infraspecific taxa from — nipponica (Makino) Uhlich Rätzel, occidentalis multidentata (Serg.) made. name be used synonym kotschyi Reut.