Izinhlobo eziyaziwa kakhulu ze-hoya akhawunti ngamagama amabili nesigamu - amagama ayishumi nambili (kukhona cishe ngamakhulu amathathu inani). I-Evergreen liana, eyafika kithi evela emahlathini ase-Asia, e-Australia nase-Oceania, iyathanda ukufudumala. Esikhathini sethu sezulu, i-hoyu iyakhiwa kuphela njengesitshalo sasendlini (emgwaqweni singagcinwa kuphela ehlobo).
