• Pleurothallis revoluta (Ruiz & Pav.) Garay 1962 SUBGENUS Pleurothallis SECTION Pleurothallis SUBSECTION Antenniferae 1998

    Plant and Inflorescence Photos by The Societe de Orchidees Du Nord Website

    Full Shade Cold to Warm Spring Fall

    Common Name The Rolled Pleurothallis

    Flower Size 1/5" [.5 cm]

    Found in Colombia, Ecuador, Peru, Bolivia, Venezuela and Trinidad in cloud forests at elevations of 900 to 2000 meters as a small to medium sized, cold to warm growing epiphyte and occasional terrestrial with an erect, apically wider and channeled ramicaul enveloped basally by 2 inflated, tubular sheaths and carrying a single, apical, elliptic, acute, gradually narrowing below into a conduplicate sinus leaf that blooms in the spring and fall on more than one erect, 6" [15 cm] long, several successively flowered inflorescence arising from a spathe and carrying non-resupinate flowers.

    Synonyms *Humboldtia revoluta Ruiz & Pav. 1798; Humboldtia semipellucida (Rchb.f.) Kuntze 1891; Humboltia diffusa (Poepp. & Endl.) Kuntze 1891; Humboltia revoluta Ruiz & Pav. 1798; Humboltia semipellucida (Rchb. f.) Kuntze 1891; Pleurothallis complicata Rolfe ex Rusby 1896; Pleurothallis diffusa Poepp. & Endl. 1836; Pleurothallis macrophylla Lindl. 1842; Pleurothallis semipellucida Rchb. f. 1859; Stelis revoluta (Ruiz & Pav.) Willd. 1806

    References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 26 No 10 1957 photo as P diffusa; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 drawing fide as P diffusa; Native Orchids of Trinidad Schultes 1960 as P diffusa; AOS Bulletin Vol 30 No 5 1961 as P diffusa; Native Orchids of Trinidad Schultes 1960 as P diffusa; AOS Bulletin Vol 30 No 5 1961 as P diffusa; Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing fide; Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970; Orchids of Venezuela, An Illustrated Field Guide Vol 6 Dunsterville & Garay 1976 P revoluta; Orchids of Venezuela An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing fide; Systematics of Pleurothallis Vol 3 Luer 1986 as Pleurothallis genychila not = P macrophylla; The Orchids of Surinam Werkhoven 1986 photo fide; Native Orchids of the Eastern Carribean Kenny 1988 photo fide; Icones Planetarum Tropicarum Series II plate 0283 Dodson & Vasquez 1989 drawing fide; Icones Orchidacearum Peruviarum Plate 551 Bennett & Christenson 1998 drawing fide; Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999 drawing fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003; Macchu Picchu Orchids Eric Christenson 2003;