Habenaria sebastianensis R.González & Cuev.-Fig. 2010
TYPE Drawings by X M Cuevas F and Las Orquideas del Occidente de Mexico Vol 1 Jorge Roberto González Tamayo y Lizbeth Hernández Hernández 2010
LATE
EARLY 
Common Name The Sebastian Habenaria [San Sebastián del Oeste a town near where the species was discovered]
Flower Size
Found in Jalisco and Nyarit states of Mexico in humid pine/oak forests at elevations around 2,300 meters as a medium to large sized, cold growing terrestrial with an ellipsoid tuber giving rise to an erect, leafy throughout stem carrying 12, coriaceous, the first two reduced to sheaths, when ascending they develop lamina, the largest located in the middle of the plant, then maintain the shape and size, except the latter; blade extended below, ascending in most, slightly arched, flat, elliptical and orthogonal bottom, almost all narrow, lanceolate, obtuse to acuminate, the largest about 5.6" [14 cm] long, 1.32" [3.3 cm] wide, the upper ones very short leaveds that blooms in the late summer and early fall on an erect, terminal, peduncle angular, rachis held in a cylindrical cluster, not very dense, about 5.2" [13 cm] long, 2" [5 cm] in diameter, about 22 flowered inflorescence with adpressed, conduplicate, lanceolate, acuminate, same color as the leaves, with five nerves, the central nerve raised in Carina, hyaline edges, the lowermost a little longer than the ovary, upper a little longer yet floral bracts.
"Habenaria sebastianensis is related to H. agapitae but differs in the solitary plant; leathery, flat leaves; an inflorescence with about 22 flowers; verruculous ovary, angular ribs; extended, concave shallow, elliptical, obtuse, apiculate dorsal sepal; the extended, divaricate, concave lateral sepals, the posterior side reduplicated, oblique, ovate-lanceolate, acuminate; posterior petal segment oblong, acute, devoid of basal atrium on the posterior side; anterior lobe cintiform, sharply rounded; the lateral lobes of the labellum have the distal part incurved, linear, sharp, rounded. On the other hand, H. agapitae plants are gregarious; have soft leaves, the margins wavy or almost frizzy; inflorescence with 8 to 17 or more flowers; the ovary somewhat sigmoid, smooth, with three rounded ribs; the dorsal sepal subextended, triangular-ovate, subobtuse to obtuse, mucronated; the both lateral sepals deflexed, On the other hand, revolute towards the base, denticulated, acute, mucronate; the posterior segment of the petals with the posterior margin at the base dilated in a small semiorbicular, inconspicuous, falcate-triangular atrium, acute or acuminated; linear, attenuated, the anterior lobe acuminate; the extended side lobes of the labellum are retroflex, arched or almost rectilinear, linear-falcate, attenuated, acute or acuminate." Jorge Roberto González Tamayo y Lizbeth Hernández 2010
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ;
* Las Orquideas del Occidente de Mexico Vol 1: 135 Jorge Roberto González Tamayo y Lizbeth Hernández Hernández 2010 drawing fide;
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