Epidendrum phlebonocturnum Hágsater & R.Jiménez 2018 GROUP Nocturnum

Lip Detail

TYPE Photos by © Jimenez and Icones Orchidacearum 16(2) Plate 1692 Hagsater & Jimenez 2018 AMO Herbaria Website

Common Name The Veined E Nocturnum Epidendrum [refers to the veins on the lip]

Flower Size 4.8" [12 cm]

Found in Pastaza and Morona Santiago provinces of Ecuador at elevations of 900 to 2000 meters as a mini-miniature to miniature sized, warm to cool growing epiphyte with simple, cane-like, laterally compressed above but not ancipitose, terete at base, straight stem carrying 5 to 6, distributed along the apical half of stem, articulate, very unequal, progressively larger; foliar sheaths striated, laterally compressed, blade elliptic, obtuse, apex retuse, sub-coriaceous, slightly dorsally carinate, light to dark green on both sides leaves that blooms in the summer and fall on a terminal, without a spathe, peduncle very short, rachis short, racemose, producing new racemes in subsequent years, and becoming pluri-racemose over time, successivly single, few flowered inflorescence with much shorter than the ovary, triangular, acute, clasping floral bracts and carrying resupinate flowers without fragrance data.

"Epidendrum phlebonocturnum is part of GROUP Nocturnum which is characterized by the sympodial, caespitose plants, short, racemose or pluri-racemose infloresce nce, without spathaceous bracts, usually large, star-shaped flowers, with similar sepals and petals, and the SUBGROUP Nocturnum which has cane-like stems, non-thickened towards the middle, and usually successive flowers; the flowers are mostly indistinguishable in shape. The species is recognized by the epiphytic habit, short stems .36 to .44" [9 to 11 cm] long, laterally compressed, bright green, 5 to 6 unequal leaves, ovary about as long as the .168 to .184" [42 to 46 mm] long sepals, deeply 3-lobed lip, with large yellow calli, and the lateral lobes with prominently raised veins radiating from the base and sub-parallel, the mid-lobe .92 x 1" [23 x 2.5 mm], i.e. 10:1 (length:width). Epidendrum porphyreonocturnum Hágsater & R.Jiménez has stems 6.4 to 16" [16 to 40 cm] tall, 3 to 8 narrowly elliptic, acute leaves of similar size, 2.6 x .4" [6.5 x-1.8 cm], dark green above, purple on the underside, ovary .172" [43 mm] long, sepals .72 to .84" [18 to 21 mm] long, lip .48 to .56" x .48 to .56" [12 to 14 x 12 to 14 mm], the lateral lobes ovate, with 6 thickened, radiating veins, mid-lobe .348 to ,36" x .8" [8.7 to 9.0 x 2.0 mm], i.e. 4:1 (length:width). Epidendrum minus (Cogn.) Hágsater has stems 4 to 8" [10 to 20 cm] long, leaves 2 to 3" x .32 to .56" [5.0 to 7.5 x 0.8 to 1.4 cm], 5:1, green on both sides, ovary .12" [30 mm] long, sepals .84 to .96" x 1.6" [21 to 24 x 4.0 cm} (Cogniaux 1907), it is found at lower altitudes in the Amazon basin." Hagsater etal 2018


References W3 Tropicos, Kew Monocot list , IPNI ; * Icones Orchidacearum 16(2) Plate 1692 Hagsater & Jimenez 2018 drawing/photo fide; Icones Orchidacearum 16(2) Plate 1693 Hagsater & Jimenez 2018 drawing/photo fidesee recognition section; Icones Orchidacearum 16(2) Plate 1697 Hagsater & Jimenez 2018 see recognition section; Icones Orchidacearum 17(2) Plate 1762 Hagsater & Jimenez 2020 see recognition section;