Barcoding the Dendrobium (Orchidaceae) Species and Analysis of the Intragenomic Variation Based on the Internal Transcribed Spacer 2

Figure 3

The neighbor-joining tree built using ITS2 sequences of the six species. Note. Different colors in Figure 3 represent different species. Blue, D. officinale; red, D. huoshanense; green, D. nobile; purple, D. moniliforme; orange, D. tosaense; yellow, D. hercoglossum.