Aa erosa (Rchb.f.) Schltr. 1912 Collection sheet and drawing by © Romero and The Harvard Herbaria Website
LATE EARLY
Common Name The Erose Aa [refers to the margins of the floral bracts]
Flower Size .16" [4 mm]
Found in Peru as a small sized, cold growing terrestrial with a stem enveloped completely by numerous, loose, imbricating, tubular, hyaline sheaths apparently leafless that blooms in the late winter and early spring on a terminal, erect, cylindric, 1.48" [3.7 cm] long, densely many flowered inflorescence with short, broadly ovate, retuse, erose dentate hyaline floral bracts.
Synonyms *Altensteinia erosa Rchb.f. 1878
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Peru Vol 1 Schweinfurth 1958 as Altensteinia erosa
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