TIL Brighamia insignis, a species of Hawaiian lobelioid now requires hand pollination to reproduce because the only pollinator, a type of hawk moth, went extinct

https://en.wikipedia.org/wiki/Brighamia_insignis

https://www.reddit.com/r/todayilearned/comments/165yda7/til_brighamia_insignis_a_species_of_hawaiian/