Eurystyles actinosophila (Barb. Rodr.) Schltr. 1925
SECTION Eurystyles
Photos by Dalton Holland Baptista
TYPE Drawing of Synanthes bertonii
TYPE Drawing of Synanthes bertonii by Brittonia 37: 156 Burns-Bal., H.Rob. & Merc.S.Foster 1985
Common Name The Shiny Leafed Eurystyles
Flower Size .1" [3 mm]
Found in Brazil, Argentina and Paraguay on low tree trunks and saplings in low light and high humidity at elevations of 200 to 1600 meters as a mini-miniature sized, hot to cool growing epiphyte with 5 to 8 fusiform, fleshy, clustered roots giving rise to a rosette of 3 to 11, light green, elliptic-lanceolate, oblanceolate, ligulate to obovate, shortly apiculate to uncinate ciliate magins leaves that bloom in the fall on a spreading to pendent, densely ciliate, peduncle .64 to 2.2" [1.8 to 5.5 cm] long, provided with a few leaf-like ovate, sheathing bracts, rachis .4 to 1" [1 to 2.5 cm] long, pendulous, pilose, 2 to 25 flowered inflorescence holding the erect flowers with the lip facing the inflorescence in a sub-corymbose group with almost equilateral triangular bracts.
"E actinosepala is an autogamous species having a simplified rostellum and producing no viscidium. Unlike the other autogamous species this one has an auriculated clawed lip with the lamina divided into the hypochile and epichile, the epichile margins are ciliate at the base." Szlachetko & Kolanowska 2019
Synonyms Eurystyles bertonii (Burns-Bal., H.Rob. & Merc.S.Foster) Szlach. 1992; *Spiranthes actinosophila (Barb. Rodr.) B.D.Jacks. 1881; Stenoptera actinosophila (Barb.Rodr.) Cogn. 1895; Stenorrhynchos actinosophilum Barb.Rodr. 1881; Synanthes bertonii Burns-Bal., H.Rob. & Merc.S.Foster 1985; Trachelosiphon actinosophilum (Barb.Rodr.) Schltr. 1920
References W3 Tropicos, Kew Monocot list , IPNI ;
Gen. Spec. Orchid. 2: 286 Barb Rodr. 1882 as Stenorrhynchos actinosophilum
Index Kew. 2: 966 B D Jacks 1895 as Spiranthes actinosophila
Fl. Bras. 3(4): 255 Cogniaux 1895 as Stenoptera actinosophila
Fl. Bras. 3(4): Tab 60 figs I Cogniaux 1895 as Stenoptera actinosophila drawing fide
Beih. Bot. Centralbl. 37(2): 424 Schlechter 1920 as Trachelosiphon actinosophilum
* Repert. Spec. Nov. Regni Veg. Beih. 35: 39 Schlechter 1925
Flora Brasilica Fasc 8 Vol XII II 13-43: 163 Orchidaceae Hoehne 1945; Flora Brasilica Fasc 8 Vol XII II 13-43: tab 84: fig II Orchidaceae Hoehne 1945 drawing good; Iconografia de Orchidaceae Do Brasil Hoehne 1949 drawing good; Rudolf Schlechter Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 6 321 - 384 Brieger, Maatsch and Senghas 1975 drawing hmm; Orchidaceae Brasilense Band 1 Pabst & Dungs 1975 drawing fide; Brittonia 37: 159 Burns-Bal., H.Rob. & Merc.S.Foster 1985 as Synanthes bertonii
Brittonia 37: 156 Burns-Bal., H.Rob. & Merc.S.Foster 1985 as Synanthes bertonii drawing fide
Fragm. Florist. Geobot. 37: 16 Szlach 1992 as Eurystyles bertonii Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994; Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000 as Synanthes bertonii drawing good; 100 Orquideas Argentinas Freuler 2005 photos ok; The Organ Mountains Its History and Its Orchids Miller, Warren, Miller & Seehawer 2008 photo good; Materials to the Orchid Flora of Colombia: 150 Szlachetko & Kolanowska 2019 Materials to the Orchid Flora of Colombia: 151 Szlachetko & Kolanowska 2019 drawing fide
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