Table 1. Summary statistics of clean reads in the five tissues of the Caucasian clover rhizome.

	R1	R2	R3	R4	NR
Raw reads	25,396,794	21,898,739	24,268,708	22,665,113	21,834,965
Base number	7,599,474,508	6,546,248,531	7,263,680,664	6,785,234,564	6,534,299,629
Clean read	25,396,794	21,898,739	24,268,708	22,665,113	21,834,965
Clean read percentage (%)	99.39	99.22	99.38	99.26	99.22
Mapped reads	17,497,291	15,430,415	16,929,287	15,147,941	15,065,868
Mapped ratio (%)	68.90	70.46	66.76	66.83	69.00
GC percentage (%)	42.38	41.88	42.21	42.21	41.51
%≥Q30%	91.29	91.32	91.22	90.66	91.04