Epidendrum mantinianum Rolfe 1892 GROUP Kalopternix
Photo by © Patricia Harding and The Orchidstudium Website
Photo by © Karl Senghas and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
Drawing by © Jimenez, Hágsater & E.Santiago and The AMO Herbario Website
LATE 
EARLY
Common Name Mantin's Epidendrum [French orchid enthusiast later 1800's - early 1900's]
Flower Size .8" [2 cm]
Found in northern Peru at elevations of 2100 to 2200 meters as a mini-miniature to just miniature sized caespitose epiphyte with obsolete, rizomatous, thick stems enveloped completely by several, scarious, imbricating sheaths and carrying 2, sessile, articulate, coriaceous, ellitpic, obtuse-rounded, low dorsal keel, margin entire, apparantly glaucous leaves that blooms in the winter and spring on a terminal, erect, racemose, occuring only once, somewhat flexuous, sessile, 2 flowered, hidden between the leaves inflorescence with much shorter than the ovary, triangular, acute floral bracts and carrying simultaneous flowers.
Epidendrum mantinianum is part of GROUP Kalopternixcharacterized by the erect or pendant, 1 or 2-leaved pseudobulbs, glaucous leaves, resupinate flowers with a wide-trullate lip, the margin fleshy-erose. The species is recognized by the upright elliptic leaves, the large flowers, lateral sepals 1.2 to 1.92" [30 to 48 mm] long, and the ovate-cordiform, acute to acuminate lip, Epidendrum sophronitis Linden & Rchb.f. has an upright habit, a single cuneate, elliptic, acute leaf per pseudobulb, 1.48 x .6" [37 x 15 mm], and the acuminate sepals are .48" [12 mm] long and E moronense with pendant single leafed pseudobulbs, a longer and thinner column, a reniform lip with lacerate margins, bicaulose and has a low keel in the center of the lip.
CAUTION I am not convinced that these photo determinations are correct so please use with caution! I assume that Hagsater's drawing is correct.
Synonyms Kalopternix mantinianus (Rolfe) Garay & Dunst.1976
References W3 Tropicos, Kew Monocot list , IPNI ; Repert. Spec. Nov. Regni Veg. Beih. 7: 249 Schlechter 1920; Venezuelan Orchids Illustrated Vol 6 Dunsterville & Garay 1976 as Kalopternix mantinianum; Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001 as Kalopternix mantinianum; The Cattleyas and Their Relatives, the Debateable Epidendrum Withner and Harding 2004, Icones Orchidacearum 13 Plate 1354 Hagsater & Sanchez 2010 drawing hmm to photos;
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