Epidendrum tenuisulcatum [Dressler] Hagsater 1993 GROUP Neowilliamsia Photo by © Dressler and The Epidendra Website


Common Name or Meaning The Thin Grooved Epidendrum [refers to the slit at the apex of the column]

Flower Size .6" [1.5 cm]

Found in central Panama in peak montane forests at elevations around 720 to 800 meters as a medium sized, warm growing epiphyte with a simple, cane-like, branching, from the basal internodes of the previous, laterally compressed, ancipitous, thin, erect, straight stem enveloped basally by nonfoliaceous, tubular sheaths and carrying 1 to 7, throughout the apical half, alternate, articulate, erect-spreading, ancipitous, narrowly ovate to oblong-elliptic, obtuse, minutely apiculate, subcoriaceous leaves that blooms in the later summer and earlier fall on a terminal, occuring only once, peduncle short to .8 to 2" [2 to 5 cm] long, laterally compressed, ancipitous, rachis, 4.8 to 8" [12 to 20 cm] long, paniculate, laterally compressed, ancipitous, zigzag, laxly many flowered inflorescence with 1 to 2, triangular, acute, conduplicate bracts and small, 1/3 as long as the ovary, deltoid, acute, conduplicate, ancipitous floral bracts.

Synonyms *Neowilliamsia tenuisulcata Dressler 1981

References W3 Tropicos, Kew Monocot list , IPNI ; Orquídea (Mexico City), n.s., 8(1): 29-30. Dressler as Neowilliamsia tenuisulcatum 1981 drawing/photo fide; * Orquídea (Mexico City), n.s., 13(1-2): 217. Hagsater 1993 drawing fide; Field Guide to the Orchids of Costa Rica and Panama Dressler 1993; Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001 as Neowilliamsia tenuisulcata; Icones Orchidacearum 9 plate 996 Hagsater & Sanchez 2007 drawing fide;