For radiating from a common ancestor at an estimated 5.2±0.8 Ma, the clade is extremely diverse, composed of trees, shrubs, subshrubs, mat-plants, cushion plants, rosette plants, and lianas.
fɔːɹ ɹˈeɪdɪˌeɪɾɪŋ fɹʌm ɐ kˈɑːmən ˈænsɛstɚɹ æɾ ɐn ˈɛstᵻmˌeɪɾᵻd fˈaɪv.tˈuː plˈʌs ɔːɹ mˈaɪnəs zˈiəɹoʊ.ˈeɪt mˈɑː, ðə klˈeɪd ɪz ɛkstɹˈiːmli daɪvˈɜːs, kəmpˈoʊzd ʌv tɹˈiːz, ʃɹˈʌbz, sˈʌbʃɹʌbz, mˈætplˈænts, kˈʊʃən plˈænts, ɹoʊzˈɛt plˈænts, ænd liˈɑːnəz.