Cypripedium fasciculatum Kellogg ex S. Watson 1882 SECTION Enantiopetalum

Plant in situ Colorado

Photo by Nile and Lois Dusdieker

Another Plant

Photo by Noble Bashor

to

Common Name Clustered Lady's Slipper

Flower Size About 2" [about 5 cm]

A western American, medium sized, cold growing terrestrial found in moist or dry coniferous forests in acidic soils between 800 and 1700 meters with elliptic, plicate, opposite, pubescent beneath leaves that blooms in the spring and summer on a terminal, slender stalked, fasciculate inflorescence that carries up to 4 clustered flowers, each subtended by a leaflike floral bract and all arising from the center and being held well above the almost mature 2 opposing leaves held high on a stem.

Synonyms Cypripedium fasciculatum f. purpureum P.M.Br. 2004 publ. 2005; Cypripedium fasciculatum f. viride P.M.Br. 2004 publ. 2005; Cypripedium fasciculatum var. pusillum (Rolfe) Hook.f. 1893; Cypripedium knightiae A. Nelson 1906; Cypripedium pusillum Rolfe 1892; Cypripedium wilsonii Rolfe 1906

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 38 #10 1969 photo fide; Rudolf Schlechter Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 4 193 to 256 Brieger, Maatsch and Senghas 1971 photo ok; The Native Orchids of the United States and Canada Luer 1975 drawing/photos fide; AOS Bulletin Vol 64 No 3 1995 photo fide; Orchid Digest Vol 62 #1 1998 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000; AOS Bulletin Vol 70 No 12 2001 photo plant only; AOS Bulletin Vol 75 # 12 2006 photo fide; AOS Bulletin Vol 76 No 9 2007 photo fide; Orchid Digest Vol 71 No 3 2007 photo; AOS Bulletin Vol 77 No 2 2008 photo fide; AOS Bulletin Vol 83 #6 2014 photo fide; Orchid Digest Vol 80 #2 2016 photo fide; AOS Bulletin Vol 86 #2 2017 photo fide; AOS Bulletin Vol 89 #1 2020 drawing fide

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