ðə dʒˈɛnəs kəntˈeɪnz ɐpɹˈɑːksɪmətli wˈʌnhˈʌndɹɪd nˈaɪnti spˈiːsiːz ʌv ʃɹˈʌbz ænd tɹˈiːz, wˌɪtʃ ɑːɹ dˈɪstɹɪbjˌuːɾᵻd θɹuːˈaʊt ðə sˈʌb tɹˈɑːpɪkəl ɹˈiːdʒənz ʌv ˈæfɹɪkə, ðə wˈɛstɚn ˈɪndiən ˈoʊʃən ˈaɪləndz, ðɪ ɚɹˈeɪbiən pənˈɪnsjʊlə, ˈɪndiə, ænd sˈaʊθ ɐmˈɛɹɪkə.
The genus contains approximately 190 species of shrubs and trees, which are distributed throughout the (sub-) tropical regions of Africa, the western Indian Ocean islands, the Arabian Peninsula, India, and South America.