H[ae]matoxylon

from The Collaborative International Dictionary of English v.0.48

Haematoxylon \H[ae]m`a*tox"y*lon\ (-l[o^]n), n. [NL., fr. Gr.
   a"i^ma blood + xy`lon wood.] (Bot.)
   A genus of leguminous plants containing but a single species,
   the {Haematoxylon Campechianum} or logwood tree, native in
   Yucatan.
   [1913 Webster]