Elleanthus hallii (Rchb.f.) Rchb.f. 1863 SUBGENUS Calelyna SECTION Maculatae Szach & Dudek 2023

Drawing by Oledrzynska 2023 ©

Common Name Hall's Elleanthus [English Colonel Orchid Collector 1800's]

Flower Size

Found in Costa Rica, Tungurahia province of Ecuador and Peru in wet montane forests at elevations of 1300 meters as a large sized, cool growing epiphyte with an erect, cane-like, vaginate below, branched above stem with the suberect branches leafy and carrying narrowly lanceolate, linear-lanceolate to lanceolate, long-acuminate, plicate, bilobed apically with a recessed mucro, coriaceous leaves that blooms in the spring and summer on a terminal, 1.8" [4.5 cm] long, at first subcapitate then cylindrical, many flowered inflorescence with ovate-lanceolate, concave, acuminate, 2 to 3 times longer than the ovary floral bracts and carrying orange flowers.

"Similar to E tapandanus in height but distinguished by the branching stem versus simple, the short branches are fasciculated and the flowers are orange versus pink."

Synonyms Evelyna hallii Rchb.f. 1852

References W3 Tropicos, Kew Monocot list , IPNI ;

Bot. Zeitung (Berlin) 10: 711 Rchb.f 1852 as Evelyna hallii;

*Ann. Bot. Syst. 6: 482 Rchb.f 1863;

Repert. Spec. Nov. Regni Veg. Beih. 8: 37 Schlechter Ecuador 1921;

Repert. Spec. Nov. Regni Veg. Beih. 9: 45 Peru Schlechter 1921;

Flora Brasilica Vol XII II 13-43 Hoehne 1945;

Orchids of Peru Vol 1 Schweinfurth 1958;

Flora of Ecuador No 9 225[1] Garay 1978 drawing fide;

Icones Planetarum Tropicarum Plate 450 Dodson 1989 drawing hmm;

Native Ecuadorian Orchids Vol 2 Dodson 2001 drawing ok;

Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010;

Materials to the Orchid Flora of Colombia Vol IV:238 Szlatchetko & Kolanowska 2023 drawing fide

--------------------------------------------------------------------------------------------------------------------------