Elleanthus hymenophorus (Rchb.f.) Rchb.f. 1862 SUBGENUS Hymenophora

Photo by © Jay Pfahl

Inflorescence

Photo by © Patricia Harding

Drawing

Drawing by © A Krol 2023

Common Name or Meaning The Membrane Bearing Elleanthus

Flower Size 1/5" [5 mm]

Found in southeastern Mexico, Guatemala, Nicaragua, Costa Rica, Chiriqui province of Panama, Choco', Valle de Cauca and Putumayo departments of Colombia and Imbabura province of Ecuador in wet montane forests at elevations of 650 to 2000 meters as a medium to large sized, warm to cool growing terrestrial on steep grassy embankments or sometime epiphyte with simple stems that are enveloped by rugose leaf-sheaths and carrying 3 to several, chartaceous, plicate, elliptic-ovate, acuminate leaves that blooms in at any time of the yhear on a terminal, 1.6" to 4.8" [4 to 12 cm] long, densely many flowered, racemose inflorescence withj lanceolate-ovate to ovate, acuminate, glabrous, longer than the ovary floral bracts.

Separated from E oliganthus by the large showy, orange flowers, furfuraceus sepals and well separated calli of the lip.

Synonyms *Evelyna hymenophora Rchb.f. 1852

References W3 Tropicos, Kew Monocot list , IPNI ;

Bot. Zeitung (Berlin) 10: 710 Rchb.f 1852 as Evelyna

Ann. Bot. Syst. 6: 480 Rchb.f 1862;

Lankester's Epidendra Website CR ;

Repert. Sp. Nov. Regni. Veg. Beih. 19: 79. Costa Rica Schlechter 1923 as E curtii;

Repert. Sp. Nov. Regni. Veg. Beih. 19: 162. Costa Rica Schlechter 1923 as E alberti;

Flora Brasilica Vol XII II 13-43 Hoehne 1945 as E albertii;

Flora Brasilica Vol XII II 13-43 Hoehne 1945 as E curtii;

Flora Brasilica Vol XII II 13-43 Hoehne 1945;

The Orchids of Panama L.O. Williams & P Allen 1946;

Orchids of Peru Vol 1 Schweinfurth 1958;

Flora of Ecuador No 9 225[1] Garay 1978 as E curtii drawing ok;

Icones Planetarum Tropicarum Plate 669 Dodson 1982 as Elleanthus alberti drawing hmm;

Icones Planetarum Tropicarum Plate 368 Dodson 1982 as Elleanthus curtii drawing hmm;

Icones Planetarum Tropicarum Plate 671 Dodson 1982 as Elleanthus curtii drawing hmm;

Icones Planetarum Tropicarum Plate 675 Dodson 1982 drawing hmm;

ORQUIDEA (Méx. ) 10 (1) ABRIL 1986 drawing/photo fide;

Orchids from The Coast Of Ecuador Arosemana, Jurado, Estrada and Konanz 1988 as E curtii photo ok;

Selbyana Vol 10 Orchids of Central America Hamer 1988 as E albertii drawing ok;

Selbyana Vol 10 Orchids of Central America Hamer 1988 as E curtii drawing hmm;

Selbyana Vol 10 Orchids of Central America Hamer 1988 drawing hmm;

Icones Planetarum Tropicarum Plate 1310 Atwood 1992 drawing good;

AOS Bulletin Vol 62 No 9 1993 as Elleanthus sp. photo fide;

Field Guide to the Orchids of Costa Rica and Panama Dressler 1993;

Field Guide to the Orchids of Costa Rica and Panama Dressler 1993 as E albertii;

Guatemala Y Sus Orquideas Behar & Tinschert 1998 as E curtisii photo fide;

AOS Bulletin Vol 68 No 1 1999 drawing fide;

AOS Bulletin Vol 69 No 1 2000 drawing fide;

Native Ecuadorian Orchids Vol 2 Dodson 2001 as Elleanthus curtii drawing good;

Manual de Plantas de Costa Rica Hammel, Grayum, Herrera and Zamora 2003;

Vanishing Beauty, Native Costa Rican Orchids Vol 1 Pupulin 2005 photo fide;

Vanishing Beauty, Native Costa Rican Orchids Vol 1 Pupulin 2005 as E albertii photo fide;

AOS Bulletin Vol 75 No 5 2006 photo fide;

Orchids Species of Peru Zelenko & Bermudez 2009 as E aurantiacus pg 122 photo fide;

Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 as E curtii drawing ok;

Orchids of the Darien Gap Kolanowska 2014 as E cf hymenophorus drawing/photo ok;

Materials to the Orchid Flora of Colombia Vol IV:226 Szlatchetko & Kolanowska 2023 drawing fide

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