Myoxanthus ceratothallis ( Rchb.f. ) Luer 1982 SUBGENUS Myoxanthus SECTION Antennella Luer 1992 Photo courtesy of Eric Hunt

Flower and Leaf Photo courtesy of Patricia Harding

Part shadeCool Cold SummerFall

Common Name or Meaning The Horn-Like Branch Myoxanthus [refers to the flowers at the apex of the ramicaul or horn-like appendages on the lobes of the lip

Flower Size 2/5" [1 cm]

Found from Venezuela, Colombia, Ecuador and Peru at elevations of 1125 to 3200 meters as a medium sized, cool to cold growing epiphyte or terrestrial with stout, erect, ramicauls enveloped basally by 5 to 9 hispidulous, tubular sheaths and carrying a single, apical, erect, thickly coriaceous, narrowly ovate, acute leaf that is cuneate below into the subpetiolate base and blooms in the summer and fall on a short fascile of single successive flowers arising at the apex of the ramicaul.

Synonyms Dubois-Reymondia lancipetala Karst 1858; Humboldtia ceratothallis Kuntze 1891; Myoxanthus affinoides Luer 1983; Myoxanthus herzogii[Schlechter] Luer 1882; Myoxanthus lancipetalus (H.Karst.) Luer 1982; *Pleurothallis ceratothallis Rchb.f. 1854; Pleurothallis herzogii Schlechter 1913; Pleurothallis lancipetala [Karst.] Schlechter 1919; Pleurothallis longipes Kornicke 1855;

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854 as Pleurothallis ceratothallis; AOS Bulletin Vol 30 No 5 1961 as Pleurothallis ceratothallis; Venezuelan Orchids Vol 2 Dunsterville & Garay 1961 as Pleurothallis lancipetala drawing ok; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 as Pleurothallis ceratothallis drawing fide; AOS Bulletin Vol 38 No 6 1969 as Pleurothallis ceratothallis; Flora de Venezuela Volumen 15 Parte 2 Foldats 1970 as P ceratothallis drawing ok; Flora de Venezuela Foldats Volumen XV Part 2 1970 as P lancipetala; Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970 as Pleurothallis lancipetala; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 as Pleurothallis ceratothallis drawing fide; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 as Pleurothallis lancipetala drawing ok; Orquideologia Vol 16 No 1 1983; Icones Pleurothallidinarum Vol IX Systematics of Myoxanthus 1992 drawing fide; Native Colombian Orchids Vol 6 COS 1998 photo fide; Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 drawing fide; Native Ecuadorian Orchids Vol 3 Dodson 2002 photo fide; Orquideas Nativas del Tachira Cesar Fernandez 2003 photo fide; Orchid Species of Peru Zelenko Bermudez 2009 photo