Samarahan Division, Serian, Gunung Sanain,
ca.100 m elev.
Sarawak, Borneo, Malaysia
No
B. boreoharlingii
Shrub-like
2017
1985
Tebbitt & Moonlight, sp. nov.
Bocas del Toro, along road between Fortuna and Chiriqui Grande,1.2 mi N of Continental Divide, 5.3 mi N of bridge over Fortuna Dam, 08°44N,
82°17W, 910 m
Panama
No
B. botryoides
Shrub-like
2017
1985
Tebbitt & Moonlight, sp. nov.
El Oro. Road Piñas – Santa Rosa, above El Placer, partly primary mountain rain forest, alt. 800–1000 m
Ecuador
No
B. silverstonii
2016
1984
Jara sp.nov.
Chocó: San José del Palmar, Cerro Torrá
Colombia
No
B. suaviola
2016
2013
Jara sp.nov.
Valle del Cauca: municipio de El Cairo, vereda El Brillante, reserva natural Cerro El Inglés, 2217–2328 m
Colombia
No
B. kanaensis
Rhizomatous
2016
2015
Kiew & C.Y.Ling, sp. nov.
Borneo, Sarawak, Tatau District, Sungai
Kana
Borneo, Sarawak
No
B. lingiae
Rhizomatous
2016
2015
S. Julia, sp. nov.
Borneo, Sarawak, Tatau District, Sungai
Kana
Borneo, endemic in Sarawak
No
B. rubrotepala
Rhizomatous
2016
2016
S. Julia, sp. nov.
Borneo, Sarawak, Lubok Antu District, Ulu Engkari, Lanjak Entimau Wildlife Sanctuary, Sungai Segerak,