Aa leucantha (Rchb.f.) Schltr. 1920

TYPE Drawing as Aa nigriscens by Schlechter and The Swiss Orchid Foundation at the Jany Renz Herbaria Website


Common Name The White Flowered Aa

Flower Size Minute

Found in Colombia and Ecuador at elevations of 3000 to 4200 meters as a medium sized, cold growing terrestrial with when present, rosulate, ovate-lanceolate, acute, fleshy, shortly petiolate base leaves that blooms in the late spring and summer on an erect, completely enveloped by imbricating, diaphanous sheaths terminated by a short to 2.4" [6 cm] long, cylindrical, densely many flowered inflorescence

Synonyms Aa nigrescens Schltr. 1920; *Altensteinia leucantha Rchb.f. 1886; Altensteinia nigrescens (Schltr.) Løjtnant 1977

References W3 Tropicos, Kew Monocot list , IPNI ; Venezuelan Orchids Illustrated Vol 5 Dunsterville & Garay 1966 as Altenstenis leucantha not = Aa hartwegii; Flora of Ecuador 9(225: 1): 168 Garay 1978 drawing fide; Flora Of Ecuador # 76 225[2] Dodson & Luer 2005; Orchids, A Colombian Treasure Vol 1 Ortiz & Uribe 2014