## 2 Results and Discussion
### Gene Function Annotation and Classification
\begin{table}
\begin{tabular}{c c c c} \hline
**Gene Name** & **Unigene** & **RPKMs in Leaf** & **RPKMs in Root** \\ \hline _GPPS1_* & comp57663\_c0 & 47.61 & 0.04 \\ _GPPS2_ & comp79818\_c0 & 53.25 & 8.76 \\ _GES_* & comp45416\_c0 & 66.71 & 0.06 \\ _G10H_ & comp95013\_c1 & 304.45 & 1075.00 \\ _G10H_* & comp59018\_c0 & 128.37 & 0.15 \\ _G10H_ & comp67411\_c0 & 6.01 & 10.68 \\ _G10H_ & comp84881\_c0 & 41.33 & 89.38 \\ _G10H_ & comp74631\_c0 & 31.33 & 70.85 \\ _G10H_ & comp64598\_c0 & 15.04 & 42.75 \\ _G10H_ & comp42518\_c0 & 3.07 & 13.76 \\ _G10H_ & comp89824\_c0 & 14.26 & 28.73 \\ _G10H_ & comp67522\_c0 & 11.48 & 15.46 \\ _G10H_ & comp92644\_c0 & 164.26 & 389.80 \\ _G10H_ & comp67745\_c0 & 13.73 & 25.95 \\ _G10H_ & comp77398\_c0 & 4.41 & 7.13 \\ _G10H_ & comp51247\_c0 & 0.00 & 2.77 \\ _G10H_ & comp67165\_c0 & 16.78 & 27.36 \\ _G10H_ & comp67799\_c0 & 0.00 & 0.90 \\ _G10H_ & comp63189\_c0 & 0.10 & 1.55 \\ _G10H_ & comp76700\_c0 & 1.03 & 2.28 \\ _G10H_ & comp42518\_c0 & 3.07 & 13.76 \\ _8 HGO_ & comp93669\_c0 & 161.97 & 2.80 \\ _8 HGO_ & comp53753\_c1 & 81.29 & 1.37 \\ _8 HGO_ & comp53753\_c2 & 121.86 & 0.92 \\ _8 HGO_ & comp76718\_c0 & 65.89 & 77.05 \\ _8 HGO_ & comp90961\_c0 & 5.52 & 2.34 \\ _8 HGO_ & comp92998\_c0 & 219.14 & 245.73 \\ _SLS_ & comp94595 c0 & 504.62 & 20.96 \\ \hline \end{tabular}  
* \end{table} 
Table 5: Expression of putative genes in secoiridoid biosynthesis pathways. \begin{table}
\begin{tabular}{c c c c} \hline
**Gene Name** & **Unigene** & **RPKMs in Leaf** & **RPKMs in Root** \\ \hline \(\mathit{SLS}\) & comp94064\_c5 & 368.11 & 50.11 \\ \(\mathit{SLS}\) & comp84511\_c0 & 27.90 & 35.43 \\ \(\mathit{SLS}\) & comp81016\_c0 & 0.59 & 0.46 \\ \(\mathit{SLS}\) & comp85876\_c0 & 318.25 & 345.13 \\ \(\mathit{SLS}\) & comp67629\_c0 & 2.53 & 3.00 \\ \(\mathit{SLS}\) & comp54852\_c0 & 0.08 & 1.74 \\ \(\mathit{SLS}\) & comp55055\_c0 & 0.56 & 2.47 \\ \(\mathit{SLS}\) & comp61732\_c0 & 0.75 & 2.06 \\ \(\mathit{SLS}\) & comp93282\_c0 & 143.24 & 185.59 \\ \(\mathit{SLS}\) & comp281520\_c0 & 0.49 & 0.75 \\ \(\mathit{SLS}\) & comp87446\_c0 & 22.83 & 39.78 \\ \(\mathit{SLS}\) & comp41718\_c0 & 0.09 & 4.01 \\ \(\mathit{SLS}\) & comp167742\_c0 & 0.43 & 1.74 \\ \(\mathit{SLS}\) & comp94107\_c0 & 121.99 & 222.06 \\ \(\mathit{SLS}\) & comp49781\_c0 & 0.00 & 0.70 \\ \(\mathit{SLS}\) & comp90874\_c0 & 14.95 & 24.36 \\ \(\mathit{SLS}\) & comp212851\_c0 & 1.23 & 0.83 \\ \(\mathit{SLS}\) & comp73409\_c0 & 0.00 & 0.72 \\ \(\mathit{SLS}\) & comp87446\_c0 & 22.83 & 39.78 \\ \(\mathit{SLS}\) & comp73685\_c0 & 0.95 & 2.11 \\ \(\mathit{SLS}\) & comp76988\_c0 & 4.19 & 4.57 \\ \(\mathit{SLS}\) & comp103080\_c0 & 4.73 & 6.98 \\ \(\mathit{SLS}\) & comp81659\_c0 & 3.97 & 6.59 \\ \(\mathit{IS}\) & comp85292\_c0 & 64.52 & 0.00 \\ \(\mathit{IO}\) & comp84741\_c0 & 361.42 & 0.00 \\ \(\mathit{7}\)-\(\mathit{DLH}\) * & comp94064\_c5 & 368.11 & 50.11 \\ \(\mathit{CYP1}\) & comp84741\_c0 & 361.42 & 0.00 \\ \(\mathit{CYP2}\) & comp89478\_c0 & 33.35 & 2.23 \\ \(\mathit{CYP3}\) & comp108293\_c0 & 10.24 & 0.09 \\ \(\mathit{CYP4}\) * & comp92783\_c1 & 27.39 & 8.86 \\ \(\mathit{CYP5}\) & comp80146\_c0 & 17.02 & 3.45 \\ \(\mathit{CYP6}\) & comp83496\_c0 & 46.67 & 160.59 \\ \(\mathit{CYP7}\) & comp94595\_c0 & 504.62 & 20.96 \\ \(\mathit{CYP8}\) * & comp97650\_c0 & 29.44 & 2.77 \\ \(\mathit{CYP9}\) & comp90225\_c0 & 16.82 & 1.16 \\ \(\mathit{CYP10}\) * & comp80525\_c0 & 0.06 & 15.35 \\ \(\mathit{CYP11}\) & comp92026\_c0 & 60.41 & 4.19 \\ \(\mathit{CYP12}\) & comp68870\_c0 & 3.04 & 31.70 \\ \(\mathit{CYP13}\) & comp85931\_c0 & 59.63 & 6.58 \\ \(\mathit{CYP14}\) & comp79921\_c0 & 75.72 & 33.66 \\ \(\mathit{CYP15}\) * & comp80492\_c0 & 19.18 & 6.02 \\ \(\mathit{CYP16}\) * & comp95479\_c0 & 99.29 & 14.68 \\ \(\mathit{CYP17}\) & comp90874\_c0 & 14.95 & 24.36 \\ \hline \end{tabular}
\end{table} 
Table 5: _Cont._Monoterpenes are mainly synthesized in the plastid using geranyl diphosphate (GPP) as a precursor [41].