lirell[ae]form

from The Collaborative International Dictionary of English v.0.48

Lirelliform \Li*rel"li*form\ (l[-i]*r[e^]l"l[i^]*f[^o]rm), a.
   [Lirella + -form.] (Bot.)
   Like a lirella. [Written also {lirell[ae]form}.]
   [1913 Webster]