Félix Avelar Brotero, Transactions of the Linnean Society of London (1818)
“ Nectaria sacculi quinque gibbosi, in fundo corollæ inter antherarum filamenta decurrentia, in quorum decursu squama horizontalis et auricula terminalis. Styli duo brevissimi; Stigma utrisque commune ovatum, apice bicorni. ”
