Identkey

Usage

\begin{key}
  \lead Flowers zygomorphic \ident{Senna}
  \lead Flowers actinomorphic \goto{2}

  \lead Corolla inconspicuous, flowers arranged in dense head or spikes
    \ident{Acacia}
  \lead Corolla conspicuous, flowers not arranged in dense heads or spikes
    \ident{Gleditsia}
\end{key}