Aa aurantiaca D.Trujillo2011 Photo by D Trujillo and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Common Name The Orange Aa

Flower Size .16" [4 mm]

Found in Peru on grassy, apine slopes at elevations around 3500 to 4000 meters as a small sized, cold growing terrestrial with leaves that are withered at blooming which occurs in the spring on an erect, terminal, to 12" [30 cm] long, rachis [2.2 to 5 cm] long, sparsely pilose, cylindrical, densely many flowered inflroescence with up to 23, diaphonous bracts and ovate, acute to obtuse, slightly erose margined, reflexed floral bracts taht are slightly longer than the non-resupinate flowers .

Differs from the related Aa rosei by the orange flower color, the dorsally hairy sepals, the ovate-lanceolate, 3 nerved petals and the narrower opening of the lip.


References W3 Tropicos, Kew Monocot list , IPNI ; *Lankesteriana 11(1): 4. Trujillo 2011 Photo/drawing fide;