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Acanthostemma
Amblyostemma
Ancistrostemma
Cyrtoceras
Eriostemma
Eu-Hoya
Kloiphora
Otostemma
Physostelma
Plocostemma
Pterostelma
Rudimetalia
Skenostemma



References
(IPNI) International Plant Name Index
Kloppenburg, Hoya sections, a complete study<
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