!Pteroglossa macrantha (Rchb.f.) Schltr. 1920
Photo by © Dalton Holland Baptista and Orchidstudium
Photo by © Unne Medios Website
Drawing by © von Martius, Eichler, Urban: "Flora Brasiliensis" vol. 3 pt. 4 tab. 40
Color Flower Drawing Drawing by © Pabst
Common Name The Spotted Pteroglossa
Flower Size .2 to .4" [5 to 1 cm]
Found in Venezuela, Brazil and Paraguay as a medium to large sized, cold growing terrestrial in slightly damp soils of fields with a large, rosulate, basal, oblong-lanceolate, acute to acuminate, dark green with the margins much lighter, erect to erect patent, sessile into the clasping base leaves that blooms in the spring as a new growth arises, on a terminal, erect, 12 to 28" [30 to 70 cm ] long, glabrous below, puberulent-villous above, pale green, rachis 2.4 to 6" [6 to 15 cm] long, 6 to 15 flowered inflorescence with long-lanceolate, long acuminate, as long as the flowers floral bracts and carrying fragrant flowers.
"This species is the most ornamental of the Pteroglossa with its large, whitish flowers lined with green venation exude a very subtle fragrance that attracts our attention from a distance when they appear in large colonies.
Synonyms Gyrostachys macrantha (Rchb.f.) Kuntze 1891; Pteroglossa regia (Kraenzl.) Schltr. 1920; Spiranthes albescens Barb.Rodr. 1877; Spiranthes macrantha Rchb.f. 1846; Stenorrhynchos albescens Barb.Rodr. 1877; Stenorrhynchos macranthum (Rchb.f.) Cogn. 1895; Stenorrhynchos macranthum f. multiflorum Cogn. 1903; Stenorrhynchos macranthum f. robustior Cogn. 1903; Stenorrhynchos regium Kraenzl. 1911
References W3 Tropicos, Kew Monocot list , IPNI ;
Linnaea 19: 378 Rchb.f 1846 as Spiranthes macrantha
Gen. Spec. Orchid. 1: 186 Barb Rodr. 1877 as Spiranthes albescens
Gen. Spec. Orchid. 1(Index): x Barb Rodr. 1877 as Stenorrhynchos albescens
Revis. Gen. Pl. 2: 664 Kuntze 1891 as Gyrostachys macrantha
Fl. Bras. 3(4): 176 Cogniaux 1895 as Stenorrhynchos robustior
Pl. Hassl. 2: 218 Cogniaux 1903 as Stenorrhynchos macranthum f. multiflorum
Pl. Hassl. 2: 218 Cogniaux 1903 Stenorrhynchos macranthum f. multiflorum
Kongl. Svenska Vetensk. Acad. Handl., n.f., 46(10): 20 Kraenzlin 1911 as Stenorrhynchos regium
* Beih. Bot. Centralbl. 37(2): 450 Schlechter 1920
Beih. Bot. Centralbl. 37(2): 451 Schlechter 1920 as Pteroglossa regia
Flora Brasilica fasc 8 Vol XII II 13-43: 278 Orchidaceae Hoehne 1945;
Flora Brasilica fasc 8 Vol XII II 13-43: tab 150 fig 1 Orchidaceae Illustrations Hoehne 1945 drawing fide;
Iconografia de Orchidaceae Do Brasil Hoehne 1949 drawing fide;
Flora de Venezuela Foldats Volumen XV Part 1 1969 as Sprianthes macrantha;
Orchidaceae Brasilenses Band 1 Pabst & Dungs 1975 drawing fide;
Rudolf Schlechter Die Orchideen Band 1C lieferung 41 pg 2565 - 2625 Brieger 2001;
Materials to the Orchid Flora of Colombia: 226 Szlachetko & Kolanowska 2019
Materials to the Orchid Flora of Colombia: 227 Szlachetko & Kolanowska 2019 drawing fide
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