Wahlenbergia macrostachys Wahlenbergia macrostachys (A. DC.) Lammers, Taxon 44: 336. 1995≡Lightfootia macrostachys A. DC., Monogr. Campan.: 107. 1830=Lightfootia spicata H. Buek in Ecklon & Zeyher, Enum. Pl. Afric. Austral.: 374. 1837