heterotypic synonyms:
Cystidianthus campanulatus Hassk.;
protologue: Bijdr. Fl. Ned. Ind. : 1064 (1827)
537738Hoya campanulata Blume
The Garden, vol. 18 : (1880)
537738Hoya campanulata Blume
J. Lindley, Edwards’s Bot. Reg., vol. 33 : t. 54 (1847) [S.A. Drake]
537738Hoya campanulata Blume
W. Curtis, Bot. Mag., vol. 76 [ser. 3, vol. 6]: t. 4545 (1850) [W.H. Fitch]
6 537738 Hoya campanulata BlumeL.B. Van Houtte, Fl. Serres, vol. 6 : p. 283 (1850)