Derrick Posted February 17, 2014 Report Share Posted February 17, 2014 Sogeri Plateau, Central Province, Papua New Guinea. These were the largest hydnophytums I have ever seen. Link to comment Share on other sites More sharing options...
Derrick Posted February 17, 2014 Author Report Share Posted February 17, 2014 Some of these colossal hydnophytums grew on enormous boulders, others on heavily shaded tree trunks above a small rapidly descending stream in a gully, hence largely protected from slash and burn farming. Nearby, also in deep shade was a colony of an enormous Bulbophyllum orchid species with leaves cascading down the sides of a gigantic, somewhat rounded boulder. Link to comment Share on other sites More sharing options...
Andreas Wistuba Posted February 17, 2014 Report Share Posted February 17, 2014 Hi Derrick, how big would you estimate they were? All the best Andreas Link to comment Share on other sites More sharing options...
Aurélien Posted February 18, 2014 Report Share Posted February 18, 2014 Impressive! The floral stems are really unuseal (but perhaps usual in nature). Stems and leaves are reminiscent of H. simplex, isn't? Link to comment Share on other sites More sharing options...
Derrick Posted February 18, 2014 Author Report Share Posted February 18, 2014 how big would you estimate they were? The largest plant seen had a round tuber with a diameter of at least a metre (40 inches.) Link to comment Share on other sites More sharing options...
jeff Posted February 20, 2014 Report Share Posted February 20, 2014 yes for the simplex ressemblance , but not the flower stem. albertisii: " tuberous base often reduced to a series of small swellings on stem , or entirely absent in young plants already flowering ; stems quadrangular; leaves bluish green " jeff Link to comment Share on other sites More sharing options...
Derrick Posted August 1, 2014 Author Report Share Posted August 1, 2014 albertisii: " tuberous base often reduced to a series of small swellings on stem , or entirely absent in young plants already flowering ; stems quadrangular; leaves bluish green " Yet see Odoardo Beccari's image. http://www.biodiversitylibrary.org/page/44197963#page/177/mode/1up And compare it with the leaves and especially the flower peduncles in my images above. Merrill & Perry in the Journal Arnold Arboretum Vol 26, p24, (Jan 1945). Make the following comments. “Tuberous base often reduced to a series of small swellings on stem or entirely absent on young plants already flowering, stems quadrangular, leaves bluish green.” http://www.biodiversitylibrary.org/page/8443412#page/28/mode/1up Yet, these specimens had enormous tubers. Link to comment Share on other sites More sharing options...
jeff Posted August 6, 2014 Report Share Posted August 6, 2014 OK ,with H.albertisii but not for H.simplex ressemblance . jeff Link to comment Share on other sites More sharing options...
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