Families list

 
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U

ULMACEAE - Genera:4; Species:6 (Aphananthe cuspidata, Celtis cinnamomea, Celtis philippensis, Celtis tetrandra, Holoptelea integrifolia, Trema orientalis)

URTICACEAE - Genera:14; Species:35 (Boehmeria glomerulifera, Boehmeria macrophylla, Boehmeria platyphylla, Boehmeria scabrella, Debregeasia ceylanica, Debregeasia longifolia, Dendrocnide sinuata, Elatostema acuminatum, Elatostema cuneatum, Elatostema lineolatum, Elatostema sessile, Elatostema surculosum, Girardinia diversifolia, Laportea interrupta, Lecanthus peduncularis, Oreocnide integrifolia, Parietaria debilis, Pellionia heyneana, Pilea melastomoides, Pilea microphylla, Pilea wightii, Pouzolzia auriculata, Pouzolzia bennettiana, Pouzolzia bennettiana var. mysorensis, Pouzolzia cymosa, Pouzolzia integrifolia, Pouzolzia pentandra, Pouzolzia wightii, Pouzolzia wightii var. caudata, Pouzolzia wightii var. nilghirensis, Pouzolzia wightii var. scabra, Pouzolzia zeylanica, Procris wightiana, Villebrunea frutescens, Villebrunea integrifolia)