Sigmatostalix uncinata Pupulin, G.Merino & J.Valle 2008

Photo by Katie Payeur

Side View of Flowers

Photo by Duane McDowell and his Flickr Orchid Photo Website

Part shadeCool LATE EARLY Spring

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