Pelexia laxa (Poepp. & Endl.) Lindl. 1840 SECTION Pelexia

Photo by © Andreas Kaye

Another Flower

Photo by © Dalton Holland Baptista

Leaf Detail

Photo by © Troy Meyers and his Meyers Conservancy Website

Drawing of P lindmanii

Drawing by © Hoehne

Common Name The Lax Pelexia

Flower Size .4" [1 cm]

Found in Mexico, Guatemala, Belize, Nicaragua, Costa Rica, Colombia, Venezuela, Surinam, Ecuador, Peru, Bolivia, Brazil and Argentina in rainforests at elevations of 200 to 2100 meters as a medium to large sized, hot to cool growing terrestrial with fleshy, fasciculate roots giving rise to a few basal, somewhat thinly, elongate petiolate, dark green mottled white leaves and blooms in the summer on an erect, reddish, pubescent, many flowered inflorescence enveloped by various acuminate, pubescent bracts.

CAUTION SEE ALSO Pelexia maculata which is often cited as a synonym of P laxa but it warrants separation, as it differs mostly in the broadly ellliptic leaves, the oblanceolate lateral sepals and the more pronouned helmut formed by the dorsal sepal and the connivent petals.

Synonyms Gyrostachys longipetiolata (Rchb.f.) Kuntze 1891; Pelexia curvicalcarata (C.Schweinf.) Garay in ?; Pelexia lindmaniana (Kraenzl.) Schltr. 1920; Pelexia longepetiolata (Rchb.f.) Schltr. 1918; Pelexia weirii (Rchb.f.) Schltr. 1920; Spiranthes curvicalcarata C.Schweinf. 1941; Spiranthes laxa (Poepp. & Endl.) C.Schweinf. 1941; Spiranthes longepetiolata Rchb.f. 1866; Spiranthes weirii Rchb.f. 1870; *Stenorrhynchos laxum Poepp. & Endl. 1836; Stenorrhynchos lindmanianum Kraenzl. 1911; Stenorrhynchos weirii (Rchb.f.) Cogn. 1895

References W3 Tropicos, Kew Monocot list , IPNI ;

Nov. Gen. Sp. Pl. 2: 7 Poepp. & Endl. 1836 as Stenorrhynchos laxum

*Gen. Sp. Orchid. Pl.: 482 Lindley 1840

Beitr. Orchid.-K. C. Amer.: 67 Rchb.f 1866 as Spiranthes longepetiolata

Gard. Chron. 1870: 923 Rchb.f 1870 as Spiranthes weirii

Xenia Orchidaceae vol 2: 186 Rchb.f 1873 as Spiranthes weirii

Xenia Orchidaceae vol 2: TaF 179 Rchb.f 1873 drawing fide;

Revis. Gen. Pl. 2: 664 Kuntze 1891 as Gyrostachys longipetiolata

Fl. Bras. 3(4): 174 Cogniaux 1895 as Stenorrhynchos laxus

Fl. Bras. 3(4): 172 Cogniaux 1895 as Stenorrhynchos weirii

Kongl. Svenska Vetensk. Acad. Handl., n.f., 46(10): 23 Kraenzlin 1911 as Stenorrhynchos lindmanianum

Kongl. Svenska Vetensk. Acad. Handl., n.f., 46(10): Taf 4 fig 6 Kraenzlin 1911 as Stenorrhynchos lindmanianum drawing fide

Beih. Bot. Centralbl., Abt. 2. 36: 431 Schltr. 1918 as Pelexia longepetiolata

Beih. Bot. Centralbl., Abt. 2. 37: 402 Schltr. 1920 as Pelexia lindmaniana

Beih. Bot. Centralbl., Abt. 2. 37: 411 Schltr. 1920 as Pelexia weirii

Bot. Mus. Leafl. 9: 227 C.Schweinf. 1941 as Spiranthes curvicalcarata

Bot. Mus. Leafl. 10: 29 C.Schweinf. 1941 as Spiranthes laxa

Flora Brasilica Fasc 8 Vol XII II 13-43: 276 Orchidaceae Hoehne 1945 as P laxus

Flora Brasilica Fasc 8 Vol XII II 13-43: 242 Orchidaceae Hoehne 1945 as P lindmaniana;

Flora Brasilica Fasc 8 Vol XII II 13-43: Tab 127 Orchidaceae Hoehne 1945 as P lindmaniana drawing hmm;

AOS Bulletin Vol 31 #8: 629 1962 as Spiranthes maculata photo good

Venezuelan Orchids Illustrated Vol 6 Dunsterville & Garay 1976 as Spiranthes funckiana drawing fide;

Flora de Venezuela Volumen 15 Parte 3 Foldats 1970 as Spiranthes funckiana drawing fide;

Orchidaceae Brasilenses Band 1: 280 #435 Pabst & Dungs 1975 as P lindmaniana drawing fide;

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

Orchids of Venezuela An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing fide;

Icones Planetarum Tropicarum Plate 1246 Hamer 1985 drawing hmm;

Icones Planetarum Tropicarum Series II Orchids of Bolivia plate 0363 Dodson & Vasquez 1989 drawing ok;

Native Colombian Orchids Vol 6 COS 1998 photo no;

Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide;

Native Ecuadorian Orchids Vol 4 Dodson 2003 drawing/photo fide;

Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;

Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003;

Orquideologia Vol 25 #2 2008 photo fide;

Orchid Species of Peru Zelenko & Bermudez 2009 photo fide;

AOS Bulletin Vol 79 #5: 287 2010 photo fide;

AOS Bulletin Vol 83 #1: 26 2013 as P aff laxa photo good;

Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 photo good;

AOS Bulletin Vol 86 #8 2017 photo not = Pelexia maculata"> P maculata ;

Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018;

Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as P longipetiolatea;

Lankesteriana 19(3): 215 2019 as Styenorrhynchos lindemanii photo fide

Materials to the Orchid Flora of Colombia Vol 2: 332 Szlachetko & Kolanowska 2019

Materials to the Orchid Flora of Colombia Vol 2: 33 Szlachetko & Kolanowska 2019 drawing fide

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