Commelina lukei
... that the East African plant Commelina lukei has been informally recognised as a separate species since 1969, but was only formally described in 2008?
... that the <a href="./East_Africa" id="mwDTs" rel="mw:WikiLink" title="East Africa">East African</a> plant <i id="mwDTw"><b id="mwDT0"><a href="./Commelina_lukei" id="mwDT4" rel="mw:WikiLink" title="Commelina lukei">Commelina lukei</a></b></i> has been informally recognised as a separate species since 1969, but was only formally described in 2008?