Hoya parvifloraHoya parviflora - Small hoya that flowers all the time

Hoya platycaulisHoya platycaulis - Fast growing and easy to flower

Other hoyas that I grow or have grown:
Hoya pachyclada
Hoya padangensis
Hoya palilimba
Hoya pallida
Hoya panchoi
Hoya patella
Hoya pauciflora
Hoya paziae
Hoya pentaphlebia
Hoya picta
Hoya polyneura
Hoya pubicalyx
Hoya purpureo-fusca