Sigmatostalix uncinata Pupulin, G.Merino & J.Valle 2008
Photo © by Katie Payeur
Photo © by Duane McDowell and his Flickr Orchid Photo Website
LATE
EARLY 
Common Name The Hook Shaped Sigmatostalix
Flower Size .5" [1.25 cm]
Found in northern Ecuador in wet cloud forests at elevations around 1300 meters as a miniature sized, cool growing epiphyte with elliptic, ancipitous, laterally flattened, dark green to blackish purple pseudobulbs enveloped partially by 4 to 7, conduplicate, ancipitous, minutely spotted with dark purple, hyaline margins, papyraceous with age, uppermost foliaceous sheaths andd carrying a single, apicla, erect, articulate, conduplicate, narrowly lanceolate, acute, irregularily bilobed, the longer lobe minutely crenate leaves blooms in the late spring on 1 to 2, lateral, from the base of the pseudbulb and emerging throught hte leaf axils, simple, flattened, racemose becoming secondarily paniculate, to 3.6" 9 cm] long, lateral branches very short, mostl covered by a cluster of lanceolate, acuminatem papyraceous floral bracts, to 4 flowered inflorescence.
Synonyms Oncidium uncinatum (Pupulin, G.Merino & J.Valle) J.M.H.Shaw 2012
References W3 Tropicos, Kew Monocot list , IPNI ; *Harvard Papers in Botany, Vol. 8, No. 1, pp. 49 Pupulin 2003 drawing fide; AOS Bulletin Vol 87 #10 2018 as Oncidium uncinatum photo fide; Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 photo fide
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