Epidendrum deltoideoviridis Hagsater 2021 GROUP Secundum SUBGROUP Secundum

LCDP Photo by © R. Jiménez M. & A. Cisneros and Icones Orchidacearum 18(2) Plate 1864 Hagsater & Jimenez 2021 and the AMO Herbaria Website

Common Name The Delta Shaped Green Callus Epidendrum

Flower Size .6" [1.5 cm]

Found in Zamora-Chinchipe province of Ecuador at elevations around 1400 meters as a medium to large sized, cool growing sympodial epiphyte with mple, cane-like, slightly sinuous, terete, slightly compressed towards the apex, thin stems enveloped by foliar shaeths and carrying 7 to 16, , distichous, distributed along the apical half of the stem enveloped by tubular, smooth, papyraceous, becoming scarious sheaths, oblong-lanceolate, articulate, emarginate apically, coriaceous, smooth, medium green, margin entire leaves that blooms in the summer on a terminal, erect, lacking a spathe, producing new racemes from the upper nodes of the peduncle; peduncle 5.6 to 12.8" [14 to 32 cm] long, elongate, provided with 8 tubular, yellow with brown dots, scarious when dry, striated, papyraceous, imbricating, acute bracts, achis 2 to 3" [5.0 to 7.5 cm] long, 2.4 to 16" [6 to 40 cm] long overall, racemose to pluri-racemose, successively to 13, to 26 flowered inflorescence with decreasing in size above, riangular, acuminate, embracing, shorter than the ovary floral bracts and carrying non-resupinate, non-fragrant flowers

"Epidendrum deltoideoviridis belongs to the GROUP Secundum SUBGROUP Secundum which is characterized by the caespitose habit, the erect, simple, cane-like stems, a normally elongate peduncle of the inflorescence, an erect raceme of generally non-resupinate, showy, colorful flowers, and a lip adorned by a complex a callus. The species is recognized by the pale salmon colored flowers, the dorsal side darker, the purple-pink column and the green massive triangular callus, concave in the middle, changing to greenish yellow as it ages, the whole flower becomes orange as it is pollinated or wilts; sepals are .6" [15 mm] long. Epidendrum azulensis has a somewhat similar callus, but the species is much smaller in every way, the sepals .24" [6 mm] long, the flowers deep violet with the callus white, massive, formed by 3 pairs of tubercles, prominent, separated with a low keel that forms a canal at the center of the disk of the lip." Hagsater etal 2021

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; * Icones Orchidacearum 18(2) Plate 1864 Hagsater & Jimenez 2021 drawing/photo fide

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