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(A) Gene map of complete chloroplast genome of Girardinia bullosa (a typical representative of gene organization in Urticeae s.l. plastomes); (B) inset map showing the inverted orientation of trnN-GUU in clade 3C except for Discocnide mexicana; (C) inset map of the Urticeae plastome, showing the typical orientation of trnN-GUU. Genes inside and outside the outer circle are transcribed clockwise and counterclockwise, respectively.
