Adjective form: heyneana, heyneanum and heyneanus depending upon the gender of generic name. Here is the list I could gather (some may be synonyms).
Alysicarpus heyneanus W & A
Ammania heyneana Wall.
Amphidonax heynii Nees
Ancistrocladus heyneanus Wall.
Anisomeles heyneana Benth.
Aquillaria heyneana Wall.
Blumea heyneana DC
Callicarpa heynei Roth
Callistephus heyneanus DC.
Capparis heyneana Wall.
Catha heyneana Walp.
Celastrus heyeana Roth
Chlorophytum heyneanum Wall.
Chlorophytum heynei Baker
Cinnamomum heyneanum Nees
Coleus heynei Benth.
Combretum heyneanum Wall.
Conyza heyneana Wall.
Crotalaria heyneana Grah.
Cynanchum heyneanum R & S
Cynoglossum heynei G. Don
Cyperus heyneanus Boeck.
Cyperus heynei Boeck.
Dendrobium heyneanum Lindl.
Derris heyneana Benth.
Dracaena heyneana Wall.
Dunbaria heynei W & A
Echites heynei Spreng.
Ehretia heynii R & S
Eugenia heyneana Duthie
Eugenia heyneana Rottl.
Euphorbia heyneana Boiss.
Euphorbia heyneana Spreng.
Fimbristylis Heynei Boeck.
Galega heyneana Roxb.
Gerardia heyneana Benth.
Glochdion heyneanum Wight
Gomphostemma heyneanum Wall.
Gymnosporia heyneana Laws.
Habenaria heyneana Lindl.
Hedyotis heynii Bedd.
Hedyotis heynii W & A
Hyrocotyle heyneana Wall.
Ipomoea heynei R & S
Ipomoea heynei Wall.
Jasminum heyneanum Wall.
Knoxia heyneana DC.
Lactuca heyneana DC.
Laurus heyneana Wall.
Lobelia heyneana R & Sch.
Loranthus heyneanus Schult.
Loranthus heyneanus Wall.
Loranthus heynii DC
Memecylon heyneanum Wight
Memecylon heyneanum Benth.
Momordica heyneana Wall.
Myristica heyneana Wall.
Myrtus heynei Spreng.
Ochna heyneana W & A
Oldenlandia heynei Hook.f.
Olax heyneana Wall.
Olea heyneana Wall.
Panax heyneanum Wall.
Panicum heynii Roth
Passiflora heyneana Wall.
Pellionia heyneana Wedd.
Peperomia heyneana Wight
Peperomia heyneana Miq.
Phyllanthus heyneanus Muell.
Pimpinella heyneana Wall.
Platanthera heyneana Lindl.
Pogostemon heyneanus Benth.
Polygala heyneana Wall.
Pongamia heyneana Wall.
Pongamia heyneana W & A
Potentilla heynii Roth
Procris heyneana Wall.
Psychotria heyneana Wall.
Pterospermum heyneanum Wall.
Rhynchosia heynei W & A
Robinia heynei Wall.
Solanum heynei R & S
Stemonurus heyneanus Miers
Stercularia heynii Bedd.
Strobilanthes heyneanus Nees
Syzygium heyneanum Wall.
Tabernaemontana heyneana Wall.
Tephrosia heyneana Wall.
Tournefortia heyneana Wall.
Tournefortia heyneana DC.
Uvaria heyneana Wall.
Uvaria heyneana W & A
Vallaris heynei Spreng.
Viscum heyneanum DC.
Vitis heyneana Wall.
Vitis heyneana DC.
Wendlandia heyneana Wall.
--
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089