!Triphora trianthophora (Sw.) Rydb. 1901
Photos by David Mcadoo ©
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Common Name The Three Flowered Triphora - The Three Birds Orchis - The Nodding Pogonia
Flower Size .4 to .8" [1 to 2 cm]
Found in southeastern Canada & eastern United states to Mexico, Guatemala, El Salvador and Panama at elevations up to 1600 meters as a miniature to small sized, cold to cool growing terrestrial orchid with an erect stem carrying 2 to 8, broadly ovate to cordate, dark green with a purple cast or as in the forma rossii the stems and leaves are white, pink and yellow and blooms in the mid summer through late fall on an erect, axillary, 1 to 25 nodding flowered inflorescence
Synonyms Arethusa pendula Muhl. ex Willd. 1805; Arethusa trianthophoros Sw. 1800; Pogonia mexicana S. Watson 1891; Pogonia trianthophora (Sw.) Britton, Sterns & Poggenb. 1888; Triphora mexicana (S. Watson) Schltr. 1921; Triphora pendula (Muhl. ex Willd.) Nutt. 1818; Triphora trianthophora f. albidoflava P.E.Keenan 1992; Triphora trianthophora f. caerulea P.M.Br. 2001; Triphora trianthophora f. rossii P.M.Br. 1999; Triphora trianthophora subsp. mexicana (S. Watson) Medley 1991; Triphora trianthophora var. mexicana (S.Watson) P.M.Br. 2006; Triphora trianthophora var. schaffneri Camp 1940; Triphora trianthophora var. texensis P.M.Br. & Rich.B.Pike 2006
References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Panama L.O. Williams & P Allen 1946 as Pogonia mexicana; Encyclopedia of Cultivated Orchids Hawkes 1965; The Native Orchids of Florida Luer 1972 photos fide; Las Orquideas De El Salvador Vol 2 Hamer 1974 as Triphora mexicanadrawing fide/photo ok; The Native Orchids of the United States and Canada Luer 1975 drawing/photos fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 7 385 - 448 Brieger, Maatsch and Senghas 1975 drawing fide; AOS Bulletin vol 53 no 7 1984 photo fide; AOS Bulletin Vol 55 No 7 1986 photo fide; ORQUIDEA (Méx. ) 10 (1) ABRIL 1986 ; AOS Bulletin Vol 57 No 1 1988 photo fide; Schlechteriana Vol 4 No 4 1993; Phylogeny and Classification of the Orchid Family Dressler 1993 drawing fide; Orchid Digest Vol 63 #3 1999 photo not = Cypripedium californicum; Orchid Digest Vol 63 #3 1999 as Pogonia sp. photo fide; Orquideas del Estado de Morelos ORQUÍDEA (MÉX.) VOLUMEN 16 NÚMERO ÚNICO enero 2002 drawing/photo fide; AOS Bulletin Vol 78 No 5 2009 photo fide; AOS Bulletin Vol 79 #7 2010 photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018; AOS Bulletin Vol 89 #2 2020 stamp fide; The Orchid Review Vol 128 No 1330 June 2020 stamp fide;
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