Table 1.

Summary of Illumina sequencing and assembly of two D. officinale transcriptomes.

	Dendrobium-1	Dendrobium-2
Total number of raw reads	114,970,718	102,340,806
Total number of clean reads	102,982,138	86,515,904
Total clean nucleotides (nt)	10,298,213,800	8,651,590,400
Average read length	100	100
Total number of contigs	107086	129235
Mean length of contigs	824	728
Total number of unigenes	93881	114098
Mean length of unigenes	790	695