ðɪ ˈeɪʒən mˈɛmbɚz ʌv ðɪs klˈeɪd ɑːɹ mˈoːɹ bˈeɪsəl kəmpˈɛɹd tə ðə nˈɔːɹθ ɐmˈɛɹɪkən dʒˈɛnɚɹə, wˌɪtʃ bˈɛɹ mˈoːɹ dᵻɹˈaɪvd kˌæɹɪktɚɹˈɪstɪks.
The Asian members of this clade are more basal compared to the North American genera, which bear more derived characteristics.