Epidendrum bernoullii Rchb.f. ex Hágsater & L.Sánchez 2009 GROUP Anceps SUBGROUP Polyanthum

TYPE Drawing by Hagsater & Sanchez and The AMO Herbaria Website

EARLIER

Common Name Bernoull's Epidendrum [Swiss physician, Pharmacist, Archeologist and Botanist 1800's]

Flower Size 1” [2.5 cm]

Found in Guatemala without locality as a small sized epiphyte with simple, canelike, basally terete, laterally compressed towards the apex, straight stem carrying 7 to 9, distichous, all along the apical 2/3's of the stem, narrowly elliptic-lanceolate, mucronate, subcoriaceous, entire margin leaves that blooms in the early winter on a terminal, racemose, peduncle laterally compressed, ancipitous, straight, carrying 3 imbricating, oblong-triangular, the lower one rounded and apiculate the upper 2 acuminate sheaths, rachis terete, smooth, to 2" [5 cm] long, to 20 flowered inflorescence with shorter than the ovary, progressively shorter towards the apex, narrowly triangular, acute floral bracts and carrying resupinate, flowers with no color data.

"Epidendrum bernoullii belongs to the GROUP Anceps , which is recognized by the simple stems, generally elongate, compound racemose inflorescence producing new successive racemes with time, fleshy flowers, filiform to narrowly spatulate petals, and the SUBGROUP Polyanthum which has elongate, not sub-corymbose racemes. The species is recognized by the stems laterally compressed towards the apex, sepals .252 to .272" [6.3 to 6.8 mm] long, 3-veined, petals single veined, 3- lobed, bicallose lip, disc with a prominent central keel, lateral lobes reniform, with radiating thickened keels, margin undulate; midlobe ob-deltate, apex deeply emarginate and thus forming a pair of rounded entire lobules, the column arched. It is reminiscent of Epidendrum chlorops Schltr. which is endemic to southern-western Mexico, from Oaxaca to Sinaloa, has larger flowers wit the sepals .4 to .62" [10 to 15.5 mm] long, 3-veined petals and a straight column. Epidendrum clowesii Bateman ex Lindl. is found in southern Mexico in Oaxaca and Chiapas states, Guatemala and El Salvador, has larger flowers with the sepals .32 to .36" [8 to 9 mm] long, 5-veined, lateral lobes of the lip without thickened veins and a straight column. Epidendrum motozintlensis Hágsater & L.Sánchez is known only from Chiapas state of Mexico, bordering with Guatemala, has slightly larger flowers with the sepals .272 to ..312" [6.8-7.8 mm] long, filiform petals, lateral lobes of the lip without radiating thickened veins, midlobe short, transversely rectangular, and a straight column." Hagsater etal 2009

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; *Icones Orchidacearum 12 Plate 1209 Hagsater & Sanchez 2009 drawing/photo fide

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