In article , Kay
writes

No reason why it shouldn't be. Botanical Latin makes some attempt to
follow latin grammar. All nouns in Latin are one of three genders, male,
female or neuter, and the adjective has to match the ending. So a neuter
Acer is griseum where as a masculine Ceonothus is griseus and a feminine
Avena sativa variety is grisea.


Yes, I read somewhere in my search Kay, that most plant names are
feminine and just a few are masculine or neuter.

Makes you wonder how we get the words at all !

janet
--
Janet Tweedy
Dalmatian Telegraph
http://www.lancedal.demon.co.uk