Belongs within: Orobanche.
The section Orobanche of the genus Orobanche is a group of broomrapes found in the Old World, members of which have a basic chromosome number of 19 (Schneeweiss et al. 2004).
<==Orobanche sect. Orobanche
| i. s.: O. alsatica SP04
| |–O. a. ssp. alsatica SP04
| |–O. a. ssp. libanotidis SP04
| `–O. a. ssp. mayeri SP04
| O. foetida SP04
| O. kashmirica SP04
| O. laserpitii-sileris SP04
| O. maritima SP04
| O. santolinae SP04
|–O. macrolepis SP04
`–+–+–O. anatolica SP04
| `–O. colorata SP04
`–+–O. cernua SP04
| |–O. c. var. cernua SP04
| |–O. c. var. cumana SP04
| `–O. c. var. desertorum SP04
`–+–O. coerulescens [incl. O. ammophila] SP04
`–+–+–O. caryophyllacea SP04
| `–O. teucrii SP04
`–+–O. lutea SP04 [=O. fasciculata var. lutea H93]
|–O. rapum-genistae SP04
| |–O. r. ssp. rapum-genistae SP04
| `–O. r. ssp. benthamii SP04
|–+–+–O. austrohispanica SP04
| | `–O. gracilis SP04
| `–+–O. crinita SP04
| `–O. densiflora SP04
`–+–+–O. raddeana SP04
| `–+–O. grossheimii SP04
| |–O. reticulata SP04
| | |–O. r. ssp. reticulata SP04
| | `–O. r. ssp. pallidiflora SP04
| `–+–O. alba SP04
| `–+–O. flava SP04
| `–+–O. haenseleri SP04
| `–+–O. lucorum SP04
| `–O. salviae SP04
`–+–O. bartlingii SP04
|–O. elatior SP04
`–+–O. sintenisii SP04
`–+–+–O. amethystea SP04
| `–O. hederae SP04
`–+–O. artemisiae-campestris SP04
|–O. crenata SP04
|–O. minor Sutt. 1798 SP04, C06
|–O. owerinii SP04
|–O. picridis SP04
|–O. pubescens SP04
`–O. transcaucasica SP04
*Type species of generic name indicated
REFERENCES
[C06] Cheeseman, T. F. 1906. Manual of the New Zealand Flora. John Mackay, Government Printer: Wellington.
[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).
[SP04] Schneeweiss, G. M., T. Palomeque, A. l. E. Colwell & H. Weiss-Schneeweiss. 2004. Chromosome numbers and karyotype evolution in holoparasitic Orobanche (Orobanchaceae) and related genera. American Journal of Botany 91 (3): 439–448.