Titanotrichum oldhamii has been variously placed in Gesneriaceae or Scrophulariaceae,
although most recent taxonomic treatments treat it as a monotypic tribe within Gesneriaceae.
In this study, we reconstructed a broad-scale phylogeny containing Titanotrichum using
gene sequences from four sequence regions (chloroplast trnL-F intron and spacer and atpB-
rbcL spacer, nuclear 26S ribosomal DNA, and the low-copy developmental gene
CYCLOIDEA, CYC). The phylogenies inferred from each individual data set and the …

Titanotrichum oldhamii [T. oldhami] has been variously placed in Gesneriaceae or
Scrophulariaceae, although most recent taxonomic treatments treat it as a monotypic tribe
within Gesneriaceae. In this study, we reconstructed a broad-scale phylogeny containing
Titanotrichum using gene sequences from four sequence regions (chloroplast trnL-F intron
and spacer and atpB-rbcL spacer, nuclear 26S ribosomal DNA, and the low-copy
developmental gene CYCLOIDEA, CYC). The phylogenies inferred from each individual …