Sigmatostalix curvipetala D.E.Benn. & Christenson 1995 Drawing by Alcantara, Bennett & Christenson

Part shade Warm Summer

Common Name The Curved Petal Sigmatostalix

Flower Size .6" [1.5 cm]

Found in San Martin department of Peru in wet montane forests at elevations around 600 meters as a miniature to small sized, warm growing epiphyte with oblong, strongly complanate pseudobulbs enveloped basally by foliaceous sheaths that are shorter than the leaves and carrying 1 to 2, apical, linear-oblanceolate, acute, conduplicate below into the base leaves that blooms in the summer on an axillary, arcuate, complexly paniculate to 10.8" [27 cm] long or more, fractiflex towards the apex, successively single flowered branches, many flowered inflorescence carrying flowers with pale creamy yellow apically becoming greenish yellow to yellowish green towards the base, marked with 4 to 6 transverse pale brown barred tepals, a bright cream yellow lip with basal clear brown markings, a yellow callous with small reddish brown markings, a dull creamy yellow column and a pale yellow anther.

Synonyms Oncidium curvipetalum (D.E.Benn. & Christenson) M.W.Chase & N.H.Williams 2008

References W3 Tropicos, Kew Monocot list , IPNI ; *Icones Orchidacearum Peruviarum Plate 379 Bennett & Chrsitenson 1995 drawing fide; AOS Bulletin Vol 77 # 12 2008 as Oncidiumcurvipetalum;