Aa rosei Ames 1922
Photo by © Mihai Costea and The Laurier Website
Photo by © Mihai Costea and The Laurier Website
Common Name Rose's Aa [American Original Collector of species 1900's]
Flower Size minute
Found in Cusco and Puno departments of Peru at elevations around 3400 to 4100 meters as a medium sized, cold growing terrestrial with a stem enveloped completely by numerous, imbricating, tubular-cylindric, long-acuminate, reflexed, hyaline sheaths apparently leafless at blooming or with a separate cluster of several small, narrowly lanceolate to elliptic-lanceolate, dark green, leatherym petiolate base leaves that blooms in the winter on a terminal, erect, 16.04" [41 cm] long overall, rachis 1.8" [4.5 cm] long, tomentose cylindric, densely many flowered inflorescence with ovate-triangular to triangular-lanceolate, acute, white hyaline, about as long as the flowers floral bracts and carrying non-resupinate.
Synonyms Altensteinia rosei (Ames) L.O.Williams 1939
References W3 Tropicos, Kew Monocot list , IPNI ;
* Proc. Biol. Soc. Washington 35: 81 Ames 1922
Bot. Mus. Leafl. 7: 137 L O Williams 1939 as Altensteinia rosei
Orchids of Peru Vol 1: 103 Schweinfurth 1958 as Altensteinia rosei;
Macchu Picchu; Orchids Christenson 2003
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