(((((((('Rheum lhasaense_node752855_ott900120',((((('Rheum altaicum_node752861_ott257863','Rheum compactum_node752862_ott838939',('Rheum hotaoense_node752864_ott838940','Rheum franzenbachii_node752865_ott845661')'_node752863 ','Rheum rhaponticum_node752866_ott287577')'_node752860 ',('Rheum wittrockii_node752868_ott213390','Rheum nanum_node752869_ott838931')'_node752867 ')'_node752859 ',('Rheum officinale_node752871_ott173973',('Rheum acuminatum_node752873_ott888355',('Rheum palmatum_node752875_ott213379',node752876_ott5264378)'_node752874 ')'_node752872 ')'_node752870 ')'_node752858 ','Rheum alexandrae_node752877_ott514115')'_node752857 ','Rheum sp. Liu rh6216_node752878_ott861602')'_node752856 ')'_node752854 ','Rheum likiangense_node752879_ott838930')'_node752853 ',(('Rheum sp. Liu rh6265_node752882_ott257862',('Rheum australe_node752884_ott514108','Rheum tibeticum_node752885_ott514105')'_node752883 ')'_node752881 ','Rheum webbianum_node752886_ott514107')'_node752880 ')'_node752852 ',(((('Rheum reticulatum_node752891_ott213387','Rheum moorcroftianum_node752892_ott514118')'_node752890 ',(('Rheum przewalskyi_node752895_ott213378','Rheum rhomboideum_node752896_ott257867')'_node752894 ',('Rheum rhizostachyum_node752898_ott1040624','Rheum spiciforme_node752899_ott845650')'_node752897 ')'_node752893 ')'_node752889 ','Rheum nobile_node752900_ott143985')'_node752888 ',('Rheum delavayi_node752902_ott888357',(((('Rheum globulosum_node752907_ott503649','Rheum kialense_node752908_ott845660')'_node752906 ','Rheum forrestii_node752909_ott503737')'_node752905 ','Rheum pumilum_node752910_ott213377')'_node752904 ','Rheum sublanceolatum_node752911_ott213386')'_node752903 ')'_node752901 ')'_node752887 ')'_node752851 ','Rheum tataricum_node752912_ott732005')'_node752850 ','Rheum palaestinum_node752913_ott888352')'_node752849 ',('Oxyria digyna_node752915_ott514120','Oxyria sinensis_node752916_ott666564')'_node752914 ')'_node752848 ','Rumex crispus_node752917_ott516846')'_node752847 ';