Epidendrum recurvitepalostachyum Hágsater & E.Santiago 2015 GROUP Macrostachyum

TYPE Drawing

TYPE Photo by F. Werner /TYPE Drawing by R Jimenez M and The AMO Herbaria Website


Common Name The Recurved Sepal E macrostachyum-Like Epidendrum

Flower Size 1.2" [3 cm]

Found in Colombia on the Cordillera Oriental, Ecuador and northern Peru at elevations of 2100 to 3300 meters as a medium sized, cold growing epiphyte or terrestrial with branching when mature, the branches then themselves branching, cane-like, terete, erect, straight stems carrying 7 to 15, persistent towards the apex of the primary stem, 3 to 6 on the branches, articulate, distichous, suberect, subcoriaceous, oblong, rounded, minutely apiculate, low dorsal keel, margin slightly revolute in pressed leaves that blooms in the earlier winter, spring, summer through mid fall on a terminal, without a spathe, racemose, occurring only once, peduncle .24 to .4" [6 to 10 mm] long, terete, thin, erect, straight, rachis sinuous, 1.2 to 3.4" [3 to 8.5 cm] long overall, simultaneously, subdensely few flowered inflorescence with shorter than the ovary, triangular-ovate, acuminate, embracing floral bracts and carrying non-resupinate, fleshy, greenish yellow flowers with reddish tinged sepals.

"Epidendrum recurvitepalostachyum belongs to the GROUP Macrostachyum , which is characterized by the monopodial plants with sub-apical branching, rugose leaf sheaths, large leaves generally spreading, racemose, erect inflorescence, and fleshy flowers generally green to black (ripe olive colored), as well as yellow to pink to purple, with an entire, conduplicate, generally ecallose and pubescent lip embracing the column, and the nectary pubescent to papillose in front of the stigmatic cavity and at least at the base of the lip. The species is recognized by the oblong leaves with the apex rounded .8 to 4" x .28 to .6" [2 to 10 x 0.7 to 1.5 cm], inflorescence short 1.2 to 3.4" [3to 8.5 cm] long and few-flowered, rachis terete and sinuous, the floral bracts triangular-ovate .24 to .52 x .2 to .48" [6 to 14 x 5 to 12 mm]; the greenish yellow flowers with the sepals and petals recurved and convex, sepals .32 to .46" [8 to 11.5 mm] long, thus totally exposing the column and lip. Epidendrum chondrochilum is vegetatively very similar, but the flowers are greenish brown, sepals, though similar in size are partly spreading and concave, thus partly hiding the column and lip, the rachis is laterally compressed and straight. Epidendrum humeadorense Hágsater & Dodson is florally similar, but the leaves are elliptic-lanceolate, with the apex acute .34 to .52" x ,76 to 1" [8.5 to 14 x 1.9 to 2.5 mm], flowers are yellowish green, sepals .64 to .08" [16 to 20 mm] long, and the petals elliptic. Epidendrum stenobractistachyum Hágsater & E.Santiago has lanceolate leaves with the apex acute, 5.6 to 6.4" x 1.2 to 1.6" [14 to 16 x 3 to 4 cm], leaves on the main stem; flowers are greenish yellow, somewhat larger, with the sepals slightly reflexed .56 to .6 [14 to 15 mm] long; the inflorescence is longer 2.6 to 6.8" [6.5 to 17 cm] long with the floral bracts narrowly triangular 32 to .72" x .16 to .24" [8 to 18 x 4 to 6 mm]." Hagsater etal 2015


References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum 15 [1] Plate 1552 Hagsater & Sanchez 2015 see recognition section; * Icones Orchidacearum 15 [1] Plate 1554 Hagsater & Santiago 2015 drawing fide; Icones Orchidacearum 15 [1] Plate 1562 Hagsater & Sanchez 2015 see recognition section; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 photo fide;