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]