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Aa. maderoi photo by Pedro Ortiz Valdivieso, Orchids of Colombia

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Orchid Species: Aa maderoi

(This name is currently accepted by Kew.)

Aa maderoi is an orchid species identified by Schltr. in 1920.
Genus
Aa (Aa.)
Grex
maderoi
(name currently accepted by Kew)
Parents
Species
Author
Schltr.
Year
1920
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ORIGIN: Found in Venezuela, Colombia and Ecuador at elevations around 2800 to 4300 meters.

DESCRIPTION: Medium to large sized, cold growing terrestrial with 4 to 6 basal, erect-patent, lanceolate-ligulate, acute, petiolate base leaf that blooms in the spring on an erect, terete, 28 [70 cm] long, racemose, many flowered inflorescence enveloped by 10 to 14 amplexicaul, acuminate, diaphanous, brownish bracts and the flowers held at the apex.

FLOWER SIZE: 1 inch [2.5 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Aa Aa hartwegii 1978 Garay
Add+ Altensteinia Alt fragosa 1977 Løjtnant
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