Hoya acuta Haw. (Bangladesh) (Images by Sourav Mahmud (Id by Maggie) (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya arnottiana Wight ? (Images by Sibdas Ghosh (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya carnosa (L.f.) R.Br. (Cultivated) (Images by Gurcharan Singh (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya diversifolia Blume (Images by Mohina Macker (Id by Sri Rahayu & Maggie) (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya fischeriana Warb. (Cultivated) (Philippines (Luzon, Mindoro, Biliran, Dinagat, Mindanao) as per Catalogue of Life)

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Hoya longifolia Wall. ex Wight (Images by Promila Chaturvedi (Id by Ushadi & Katarina Stenman) (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya oreogena Kerr ((Arunachal Pradesh), Myanmar, Thailand and Vietnam as per The New Circumscription of Hoya oreogena (Apocynaceae-Asclepiadoideae) with the First Record for the Indian Flora)


Hoya parasitica (Roxb.) Wall. ex Wight (Images by Prasad Kumar Dash (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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(Images by Nidhan Singh (Id help by Prijith, Maggie & Surajit Koley) (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya pottsii Traill (Images by Katarina Stenman (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya pubicalyx Merr. (Images by Prejith (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Hoya wightii Hook. f. (Images by Subhajyoti Roy (Inserted by J.M.Garg) and tspkumar)

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Hoya species- Kalikot, West Nepal
 


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Karhikeyan et al. (2009) have mentioned following species of Hoya in India:
  1. Hoya acuminata (Wight) Benth. ex Hook.f.
  2. H. alexicaca (Jacq.) Moon
  3. H. arnottiana Wight
  4. H. bella Hook.f. [synonym of Hoya lanceolata subsp. bella (Hook.) D. H. Kent]
  5. H. bhutanica Grierson & D.G.Long
  6. H. carnosa (L.f.) R.Br.
  7. H. diversifolia Blume
  8. H. edenii King ex Hook.f.
  9. H. fusca Wallich
  10. H. globulosa Hook.f.
  11. H. griffithii Hook.f.
  12. H. kanyakumariana A.N.Henry & Swamin.
  13. H. lanceolata Wall. ex D. Don
  14. H. linearis Wall. ex D.Don
  15. H. lobbii Hook.f.
  16. H. longifolia Wall. ex Wight
  17. H. multiflora Blume
  18. H. nummularia Decne. ex Hook.f.
  19. H. obcordata Hook.f.
  20. H. oblanceolata Hook.f.
  21. H. obtusifolia Wight
  22. H. ovalifolia Wiight & Arn.
  23. H. pauciflora Wight
  24. H. polyneura Hook.f.
  25. H. retusa Dalzell
  26. H. serpens Hook.f.
  27. H. teretifolia Griff. Ex Hook.f.
  28. H. thomsonii Hook.f.
  29. H. vaccinioides Hook.f.
  30. H. verticillata (Vahl) G. Don
  31. H. wightii Hook.

Reference:

Karthikeyan, S., Sanjappa, M. and Moorthy, S. 2009. Flowering Plants of India, Dicotyledons, vol-I (Acanthaceea- Avicenniaceae). Botanical Survey of India, Kolkata. pp. 173-175.  

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Some species of Hoyas in India from Hoyas in Word & Photos:

Binomial Habit Notes Ref. Distrib.
Hoya alexicaca (Jacq.) Moon Twiner Western Ghats,
Evergreen Forests
Flora of Tamil
Nadu, VOL. II, 1987; Gamble 1957
Nilgiri 
Hoya kanyakumariana Henry & Swamin. Herb Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987
Kanniya kumari
Hoya ovalifolia Wight & Arn. Herb Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987
Coimbatore,
Nilgiri
Hoya pauciflora Wight Climber Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987
Coimbatore,
Kanniya kumari, Nilgiri,  Theni,
Tirunelveli
Hoya wightii Hook.f. subsp. palniensis K .T. Mathew Trailer Western
Ghats, Evergreen Forests
Matthew,
1999
Dindigul
Hoya wightii Hook.f. subsp. wightii Climber Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987; Gamble 1957
Coimbatore,
Dindigul, Madurai, Nilgiri, Theni, Tirunelveli

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Botanical name Synonyms Family Common name
Hoya bella = Hoya lanceolata subsp. bella (Hook.) D. H. Kent Asclepiadaceae Miniature Wax Plant
Hoya carnosa Asclepiadaceae Wax Flower
Hoya pubicalyx Asclepiadaceae Pink Silver Wax Flower
Hoya verticillata Asclepiadaceae Whorled Wax Flower
Hoya wightii Hoya pendula Asclepiadaceae Pendulous Wax Flower

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Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1893)- Brief details-

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Biodiversity in India, Volume 2 edited by T. Pullaiah (2003)-
Hoya retusa Warb. – Vulnerable

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Hoya ‎(Apocynaceae) : 3 posts by 1 author.

I have updated eFI (efloraofindia) page on Hoya (Pl. click).

Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links.

Species discussed so far in efloraofindia are given at the bottom of the page in the form of links against Subpages. On clicking them one can see all the details.

If someone can provide complete list of Indian species with source references it will be wonderful.

Any comments/ corrections are welcome.


You missed out Hoya retusa from the Western Ghats


Thanks, … It has been included now.


I have added list of Indian species of Hoya based on Karthikeyan et al (2009).


Thanks a lot, …,
Following seems to be missing from other literature:

H. parviflora Wight and H. shepherdii Short ex Hook are not mentioned in this document.
H. pendula is taken as synonym of H. alexicaca.
H. parasitica is taken as synonym of H. verticillata.

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Pl. go through Hoya page (‎‎‎Apocynaceae) with images of species in efloraofindia (done by me).

If you find any mis-identification, pl. let us know.
If anybody can send images of other species of this genera (for incorporation in the website), it will be really nice. Also, if anybody is interested to take up the activity of inserting images on efloraofindia pages from efloraofindia posts, pl. let us know.