Epidendrum magnisaxicolum Hágsater, Edquén & E.Santiago 2019 GROUP Saxicola

Flower closeup TYPE LCDP photo by J. D. Edquén & A. Cisneros/Photo by : J. D. Edquén and The AMO Herbario Website

Common Name The Large E saxicola Epidendrum [in reference to the large size of this orchids flowers and the similarity to E ilinizae]

Flower Size 1" [2.5 cm]

Found in northern to central Peru, on the eastern slope of the Andes in the Departments of Cajamarca, Amazonas bordering on San Martin and Pasco, at elevations of 2561 to 3074 meters as a miniature sized, cold growing epiphyte with thickened, forming fusiform pseudobulbs, striated and rugose; covered by a single, membranaceous, brown, translucent, becoming fibrous sheath carrying a single, apical, articulate, coriaceous, narrowly elliptic, apex obtuse, margin entire, spreading, copper-brown when young during flowering, turning green when mature leaf that blooms in the winter, spring and summer on a terminal, erect, arising through a single, tubular, oblong, conduplicate, apex rounded, copper-brown spathe, peduncle 1.6 to .171" [4.0 to 4.8 cm] long, terete, thin, straight, erect, creamy brown, about as long as the spathe and nearly totally hidden within it 2.72" [6.8 cm] long overall, including the flowers, apical from the developing stem, when the leaf has reached its full length, sub-erect, racemose, simultaneously 2 flowered inflorescence with much shorter than the ovary, triangular-ovate, acute, embracing, cream colored floral bracts and carrying resupinate, pale greenish yellow flowers with the sepals tinged brown, anther white; fragrance not registered

"Epidendrum magnisaxicola belongs to the GROUP Saxicola characterized by the pseudobulbous stems, caespitose or scandent habit, the surface of the vegetative structures often rugose, the prominent spathaceous bract apically rounded, few-flowered, erect inflorescence, the flowers purple or yellow. The new species is recognized by the large flowers, sepals .96 to 1" [24 to 25 mm] long, pale greenish yellow, the sepals tinged brown, oblanceolate petals 1 x .16" [25 x 4 mm], lip .56 x .44" [13.5 x 11 mm], entire, ovate-rhombic, base truncate, revolute in natural position. It is similar to Epidendrum saxicola which has purple flowers with a white lip, tinged purple, sepals .6" [15 mm] long, petals .52 x .1" [13 x 2.5 mm], lip sub-orbicular to obscurely pentagonal. Epidendrum harmsianum Kraenzl. has sulfur-yellow, smaller flowers, sepals .64" [16 mm] long, lip transversely ovate-oblong, base sub-cordate. Epidendrum macrogastrium Kraenzl. also has smaller, yellow flowers sepals .48" [12 mm] long, petals .4 x .04 to .048" [10 x 1.0 to 1.2 mm], linear, and lip widely cordiform." Hagsater etal 2019

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; * Icones Orchidacearum 17(1) Plate 1735 Hagsater & Jimenez 2019 LCDP Photo/photo fide

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