Registration of named hybrids can be viewed on the Cultivars page of the I.A.S.
Additional hybrids can be viewed on the Amorphophallus Hybrids Network
Articles on Amorphophallus hybridization:
1 – 2012 Aroideana vol. #35, pages 103 – 108, Hybridization of Amorphophallus – state of the art, Cyrille Claudel & Alan Galloway
2 – 2013 Aroideana vol. #36, pages 114 – 122, Hybridization of Amorphophallus – State of Affairs, Cyrille Claudel, Alan Galloway & Ralph Mangelsdorff
Named Hybrids:
Amorphophallus ‘Blue Nightspot’ (Hybridizer: Cyrille Claudel)
Amorphophallus glaucophyllus X Amorphophallus lacouirii ‘Spotted leaf form’
Amorphophallus ‘F. H. Heine’ (Hybridizer: Cyrille Claudel)
Amorphophallus lewallei X Amorphophallus richardsiae
Amorphophallus ‘John Tan’ (Hybridizer: Ralph D. Mangelsdorff)
Amorphophallus variabilis X Amorphophallus titanum
Amorphophallus ‘Le petit Prince’ (Hybridizer: Alan Galloway)
Amorphohallus ongsakulii X Amorphophallus myosuroides ‘Silver Center’
Amorphophallus ‘Majda’ (Hybridizer: Cyrille Claudel)
Amorphophallus myosuroides ‘Silver center’ X Amrophophallus pulchellus
Unnamed Hybrids:
Amorphophallus borneensis X Amorphophallus variabilis (Hybridizer: Sluka Atthagatha)
Amorphophallus boyceanus X Amorphophallus ‘John Tan’ (Hybridizer: Cyrille Claudel)
Amorpophallus carneus X Amorphophallus krausei (Hybridizer: Christian Wang)
Amorphophallus coaetaneus X Amorphophallus ochroleucus (Hybridizer: Alan Galloway)
Amorphophallus consimilis X Amorphophallus konjac (Hybridizer: Ralph D. Mangelsdorff)
Amorphophallus decus-silvae X Amorphophallus borneensis (Hybridizer: Steve Jackson)
Amorphophallus decus-silvae X Amorphophallus variabilis (Hybridizer: Steve Jackson)
Amorphophallus (decus-silvae X variabilis) X Amorphophallus (decus-silvae X variabilis) (Hybridizer: Steve Jackason)
Amorphophallus (decus-silvae X variabilis) X Amorphophallus longituberosus (Hybridizer: Steve Jackson)
Amorphophallus dunnii X Amorphophallus yunnanensis (Hybridizer: Steve Jackson)
Amorphophallus excentricus X Amorphophallus krausei (Hybridizer: Steve Jackson)
Amorphophallus hewittii X Amorphophallus (decus-silvae X variabilis) (Hybridizer: Steve Jackson)
Amorphophallus impressus X Amorphophallus maximus (Hybridizer: Alan Galloway)
Amorphophallus konjac X Amorphophallus albispathus (Hybridizer: Alan Galloway)
Amorphophallus konjac X Amorphophallus albus (Hybridizer: Alan Galloway)
Amorphophallus konjac X Amorphophallus crispifolius (Hybridizer: Alan Galloway)
Amorphophallus konjac X Amorphophallus kachinensis (Hybridizer: Alan Galloway)
Amorphophallus laoticus X Amorphophallus (lewallei X impressus) (Hybridizer: Steve Jackson)
Amorphophallus lewallei X Amorphophallus antsingyensis (Hybridizer: Cyrille Claudel)
Amorphophallus (lewallei X impressus) X Amorphophallus rostratus (Hybridizer: Steve Jackson)
Amorphophallus (lewallei X richardsiae) X Amorphophallus antsingyensis (Hybridizer: ??)
Amorphophallus longiconnectivus X Amorphophallus schmidtiae (Hybridizer: Alan Galloway)
Amorphophallus maxwellii X Amorphophallus konjac (Hybridizer: Craig Allen)
Amorphophallus operculatus X Amorphophallus sizemoreae (Hybridizer: Steve Jackson)
Amorphophallus pulchellus X Amorphophallus ongsakulii (Hybridizer: Alan Galloway)
Amorphophallus putii X Amorphophallus yunnanensis (Hybridizer: Cyrille Claudel)
Amorphophallus richardsiae X Amorphophallus mossambicensis (Hybridizer: Alan Galloway)
Amorphophallus saururus X Amorphophallus atroviridis (Hyridizer: Scott Hyndman)
Amorphophallus tinekeae X Amorphophallus (gigas X decus-silvae) (Hybridizer: Craig Allen)
Amorphophallus titanum X Amorphophallus ‘John Tan’ (Hybridizer: Sluka Atthagatha)
Amorphophallus variabilis X Amorphophallus borneensis ‘South’ (Hybridizer: Sluka Atthagatha)
Amorphophallus variabilis X Amorphophallus decus-silvae (Hybridizer: Steve Jackson)
Amorphophallus variabilis ‘Sluka’s Dark Giant’ X Amorphophallus hewittii (Hybridizer: Steve Jackson)
Amorphophallus variabilis ‘Sluka’s Dark Giant’ X Amorphophallus (variabilis X decus-silvae) ‘White stem’ (Hybridizer: Steve Jackson)