!Mesadenus polyanthus (Rchb.f.) Schltr. 1920

Photo by © Burns-Ba1ogh and The AMO Herbaria Website

Another Flower


Photos by Carl Luer © Courtesy of Swiss Orchid Foundation at the Herbarium Jany Renz and their Website


Common Name The Many-Flowered Mesadenus

Flower Size .4" [1 cm]

Found in Mexico and Belize at elevations of 320 to 2350 meters as a small sized, hot to cool growing terrestrial that blooms in the late winter and spring on an erect, laxly several flowered inflorescence.

CAUTION It appears that I have 2 differnt species represented here. I feel that most likely the Burn-Balogh photo is more correct but I do not have a great drawing of the species. More research, better references!

Synonyms Brachystele polyantha (Rchb.f.) Burns-Bal. 1982; Gyrostachys polyantha (Rchb.f.) Kuntze 1891; Mesadenus galeottianus (A.Rich.) Schltr. 1920; Spiranthes galeottiana A.Rich. 1845; *Spiranthes polyantha Rchb.f. 1845

References W3 Tropicos, Kew Monocot list , IPNI The Native Orchids of Florida Luer 1972 as Spiranthes polyantha drawing/photos fide; Flora of the Lesser Antilles Garay & Sweet 1974 as Spiranthes polyantha drawing fide; Flora Novo-Galaciana Vol 16 McVaugh 1985 as S durangensis; An Orchid Flora Of Puerto Rico and the Virgin Islands Ackerman 1995 drawing not = M lucayanum; Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000; Orquideas del Estado de Morelos ORQUÍDEA (MÉX.) VOLUMEN 16 NÚMERO ÚNICO enero 2002 drawing/photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018