Complex sentence: However, for a long time this plant was erroneously known as "Cassia eremophila" which is a true species of "Cassia" called Desert Cassia, described by Julius Rudolph Theodor Vogel.
Split into simpler sentences: However, for long this plant was erroneously known as "Cassia eremophila". That is a true species of "Cassia" called Desert Cassia and was described by Julius Rudolph Theodor Vogel.