Tropical plants with 7 letters Acerola Achocha Annatto Ayapana Calumba Carapia Catuaba Coirama Copaiba Cumanda Cupuacu Damiana Embauba Epazote Genipap Guajava Guarana Hortela Huacapu Iporuru Mullaca Mulungu Mutamba Nettles Quassia Rhatany Well that didn't help me.
Firstly, I'm a twit because I should have been looking for 6char tropical plants, not 7 Secondly, even if I had, loofah would not have been in my list. Had it been it would have been easy Thirdly, I don't understand the significance of the word retired ................ and finally, I'm just useless at these please log in to view this image
I think we have to find another word for monarch and take the first one or more letters away to leave us with an anagram of "alamb" but as that doesn't lead me anywhere I have no idea.