Lectotypifications and taxonomic changes in Alectra, Boschniakia, Cistanche, Orobanche, Phelipanche and Phelypaea (all Orobanchaceae)

Based on extensive studies of specimens in various herbaria, lectotypes are designated for many taxa of holoparasitic Orobanchaceae. In total, 31 names in the genera Alectra, Boschniakia, Cistanche, Orobanche, Phelipanche and Phelypaea are lectotypified and type references are provided for 46 names. All types are illustrated by scanned images. The following new names are proposed due to rank changes: Orobanche amoena var. dzejveri, O. amoena var. regeliana, Orobanche camptolepis f. sideana, Orobanche lutea var. hians, Phelipanche arenaria var. sareptana, Phelipanche caesia var. acuminata, Phelipanche caucasica, Phelipanche lavandulacea var. serratocalyx, Phelipanche pulchella var. bungeana, Phelipanche purpurea var. hirsuta and Phelipanche purpurea var. iberica. The following names are synonymized: Orobanche arenaria f. personata, Orobanche borkhausenii, Orobanche caesia f. tomentosa, Orobanche caryophyllacea f. besseri, Orobanche cernua f. subgrandis, Orobanche cumana f. helianthi, Orobanche eriophora, Orobanche glaucantha, Orobanche heyniae, Orobanche psilostemon, Orobanche sideritidis and Phelypaea helenae.