Dendrobium angustipetalum J.J.Sm. 1905 SECTION Brevisaccata Photo courtesy of Peter O'Byrne, André Schuiteman, Dr. E.F. de Vogel and Jaap Vermeulen and Their Netherlands National Herbarium Website. and Flora Malesiana Vol III

Deep Shade Warm Cool THROUGHSpring Fall

Common Name The Narrow Petal Dendrobium

Flower Size .4" [1 cm]

Found in the Moluccas and New Guinea in lower montane forests at elevations of 1000 to 1100 meters as a small to large sized, warm to cool growing epiphyte with close set, erect to suberect, slender canes carrying several, erect, oblong-ligulate, unequally and obtusely bilobed apically leaves that blooms in the spring and fall on an axillary, racemose, erect, 3.6" [9 cm] long, laxly 3 to 8 flowered inflorescence with oblong, minute, obtuse, shorter than the pedicel floral bracts.

Synonyms Dendrobium trachyrhizum Schltr. 1912; Distichorchis angustipetala (J.J.Sm.) M.A.Clem. 2003; Trachyrhizum angustipetalum (J.J.Sm.) Rauschert 1983; Trachyrhizum schlechteri Rauschert 1983; Trichotosia wallaceana Kraenzl. 1910

References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; The Orchids of Papua New Guinea An Introduction Millar 1978 as D trachyrhizum photo fide; Orchid Species Culture, Dendrobium Bakers 1996; Orchid Species Culture, Dendrobium Bakers 1996 as D trachyrrhiza; Orchids of Papua New Guinea Millar 1999 photo fide; Lindleyana Vol 17 No 1 2002; Flora Malesiana Orchids of New Guinea Vol II Shuiteman and de Vogel 2002; Genera Orchidacearum Vol 6 Epidendroidee Pt 3 Pridgeon, Cribb, Chase and Rasmussen 2014 photo fide;