Isabelia
... that the Brazilian orchid I. virginalis , the first species of Isabelia discovered, remained without a formal description or scientific name for four decades after its discovery?
... that the <a href="./Brazil" id="mwC78" rel="mw:WikiLink" title="Brazil">Brazilian</a> <a href="./Orchid" id="mwC8A" rel="mw:WikiLink" title="Orchid">orchid</a> <i id="mwC8E">I. virginalis (pictured)</i>, the first species of <i id="mwC8I"><b id="mwC8M"><a href="./Isabelia" id="mwC8Q" rel="mw:WikiLink" title="Isabelia">Isabelia</a></b></i> discovered, remained without a formal description or <a class="mw-redirect" href="./Scientific_name" id="mwC8U" rel="mw:WikiLink" title="Scientific name">scientific name</a> for four decades after its discovery?