Dendrobium polysema Schlechter 1905 SECTION Latouria
Photo by © Ron Parsons
Photos by Dale and Deni Borders.
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Common Name The Many-Spotted Dendrobium
Flower Size 1 1/2 to 2 1/2" [.75 cm to 6.25 cm]
Found in New Guinea in mist forests on mossy tree trunks and main branches at elevations of 1200 to 1900 meters and from the Solomon Islands, Bouganville Island, the Santa Cruz Islands, and Vanuatu at elevations of 150 to 750 meters as a small to large sized, hot to cool growing epiphyte occurs with erect, 3 to 5 noded below the leaves, yellow stems carrying, 2, elliptical-oblong, erect to spreading leaves that blooms in the fall till late winter and then in the spring on an erect, densely many [8 to 12] flowered raceme that arises apical from the apex of a cane with open, flattened flowers
Regular year round watering and fertilizing is needed to ensure regular .
Very similar to or synomonous with Den macrophyllum, but at this time I have left them separate, please go to D macrophyllum as well to get a complete picture of this species.
Synonyms Dendrobium macrophyllum A. Richard var stenopterum Rchb.f 1888; Dendrobium polysema var. pallidum Chadim 1964; Dendrobium pulchrum Schlechter 1912; Dendrobium stenopterum (Rchb.f.) Chadim 1972; Sayeria polysema (Schltr.) Rauschert 1983
References W3 Tropicos, Kew Monocot list , IPNI ; The Orchidaceae of German New Guinea Schlechter 1912/85; Orchids of Vanuatu Lewis & Cribb 1989 drawing fide; The Orchids of the Solomon Islands and Bougainville Lewis & Cribb 1991 drawing/photo fide; A Guide to Orchids of the World Hodgson, Paine & Anderson 1991 Photo good; The Illustrated Encyclopedia of Orchids Pridgeon 1992 photo fide; AOS Bulletin Vol 62 No 1 1993 drawing/photo fide; Manual of Orchids Stewart 1995; Orchid Species Culture; Dendrobium Bakers 1996; AOS Bulletin Vol 68 No 4 1999 photo fide; Orchids of Papua New Guinea Millar 1999 photo fide; Dendrobium and its Relatives Lavarack, Harris and Stocker 2000 photo fide; Flora Malesiana Orchids of New Guinea Vol II Shuiteman and de Vogel 2002; Botanica's Orchids 2002 photo fide; Australian Orchid Review Vol 71 No 1 2006 photo; The Dendrobiums H. P. Wood 2006 photo fide; Orchid Digest Vol 74 #4 2010 as D stenopterumphoto fide; AOS Bulletin Vol 80 #7 2011 photo fide; AOS Bulletin Vol 80 #7 2011 as D stenopterum photo fide; Malesian Orchid Journal Vol 9 2012 photo fide; Le Petit Larousse des Orchidees Lecoufle, Barthelemy & Schmidt 2013 photo fide; Dendrobium of Borneo Wood 2014 photo fide; Genera Orchidacearum Vol 6 Epidendroidee Pt 3 Pridgeon, Cribb, Chase and Rasmussen 2014 photo fide; AOS Bulletin Vol 86 #2 2017 photo fide;
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