[OGD] Aerides name

Peter, I recently had cause to question the currenly accepted name for what was known as Aerides fieldingii. I e-mailed the Registrar at the RHS and his reply was the " Roseum" was the accepted name in use at the RHS. Julian went into detail about masculine feminine, neuter? etc . The upshot is

[OGD] Aerides name

Hi Roy. That's what Phil Cribb told me several years ago, so I dutifully changed all my Aerides name-endings to the neuter form. However, Phil never told me why Aerides is neuter (and I had no reason to ask), so, in the wake of Pandelis' son of revelation, I'm hoping someone will provide