Phragmipedium humboldtii (Warsz. ex Rchb.f.) J.T.Atwood & Dressler 1998 publ. 1999
Photo by © The The Epidendra Website
Drawing by © Gardener's Chronicle
Common Name Humboldt's Phragmipedium [German Botanist is South America 1800's]
Flower Size 4" [10 cm]
Found in Mexico, Guatemala, Honduras, Nicaragua, Costa Rica and Panama and often confused with P warszewiczii. This orchid is a small sized, herbaceous, humus epiphyte with a short stem carrying imbricate, conduplicate, medium to dark green leaves that blooms in the spring and summer on a terminal, erect, pubescent, 10 to 14" [25 to 35 cm] long, 2 to 4 simultaneous flowered inflorescence holding the flowers well above the leaves and has ovate to obovate floral bracts.
Synonyms Cypripedium caudatum var. roseum Delchev. 1867; Cypripedium caudatum var. warscewiczii (Rchb.f.) Kerch. 1894; Cypripedium humboldtii Warsz. 1852; Phragmipedium caudatum var. roseum (Delchev.) Pfitzer 1903; Phragmipedium exstaminodium subsp. warszewiczii Dressler 2005; Phragmipedium monstruosum Archila 1999; Phragmipedium popowii Braem, Ohlund & Quene 2004; Phragmipedium triandrum Archila 1999; Phragmipedium warscewiczii (Rchb.f.) Christenson 2006; Selenipedium warscewiczii Rchb.f. 1873
References W3 Tropicos, Kew Monocot list , IPNI ;
Bot. Zeitung (Berlin) 10: 691 Warsz. 1852 as Cypripedium humboldtii;
Rev. Hort. (Paris) 39: 133 Delchev. i 1867 as Cypripedium caudatum var. roseum
Xenia Orchid. 2: 189 Rchb.f 1873 as Selenipedium warscewiczii
L'orchidophile; Traité Théor. & Prat.: 470 F Buyss 1878 as Selenipedium caudatum var roseum;
Rev. Hort. (Paris) 56: 367 Carriere 1884 as Selenipedium caudatum var giganteum;
Lindenia 4: 64 Linden 1888 as Selenipedium caudatum var albertianum
Cypripedium: 60 Pucci 1891 as Selenipedium caudatum var warscewiczii;
Orchid.-Buch: 461 Stein 1892 as Paphiopedilum caudatum var. warscewiczii
Livre Orchid.: 454 Kerch 1894 as Cypripedium caudatum var. warscewiczii nom. superfl.
Pflanzenr. 12: 52 Pfitzer 1903 as Phragmipedium caudatum var. roseum
Die Orchideen Schlechter 1915 as Phragmopedilum caudatum var roseum;
* Selbyana 19: 246 J T Atwood & Dressler 1998 publ. 1999
Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;
Richardiana 4: 185 Braem 2004 as P popowii
Australian Orchid Review Vol 69 No 6 2004/5 as P popowii photo;
Orquideología Vol 23 #2 2004 as P popowii photo fide;
J. Orchideenfr. 13: 142 Christenson 2006 as P warscewisczii
Orchid. Atlas: 337 O.Gruss & M.Wolff 2007 as P caudatum f albertianum
AOS Bulletin Vol 80 #10 2011 photo fide;
Revista Guatemalensis 2(3): 5 Archila 1999 publ. 2012 Phragmipedium monstruosum
Revista Guatemalensis 2(3): 6 Archila 1999 publ. 2012 as P triandrum
Orchid Digest Vol 78 #2 2014 as P popowii drawing/photo fide;
Orchidee (Hamburg) 66: 222 Mó Mó & Pérez-García 2015 as P humboldtii subsp monstruosum
Orchidee (Hamburg) 66: 222 Mó Mó & Pérez-García 2015 Phragmipedium humboldtii subsp. triandrum
