!Cypripedium calceolus L. var. pubescens (Willd.) Correll 1938 SECTION Cypripedium SUBSECTION Cypripedium Photo courtesy of Carl Austin

Another Clone Photo courtesy of Clark Riley and his Cypripedilum page

Another Clone Photo courtesy of Carl Hess

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Common Name Fine-Haired Yellow Lady's Slipper

Flower Size Up to 6 1/2" usually considerably smaller

This species is a medium sized, cold growing terrestrial that blooms in the spring and summer on a terminal, slender stalked, inflorescence that has a single flower arising from the center of the semi-mature leaves and is found from Quebec and Newfoundland then south to Georgia and west to New Mexico and Arizona as well as temperate Asia and Europe in woodlands, swamps and bogs and rocky wooded slopes and in marshes where it is found on limestone in shaded woodlands.

The roots were used as a tea for nervousness and anxiety as well as outright madness in the mid 1800's.

Synonyms Cypripedium aureum Raf. 1833; Cypripedium bulbosum var. flavescens (Redouté) Farw. 1913; Cypripedium bulbosum var. pubescens (Willd.) Farw. 1927; Cypripedium calceolus f. rupestre Vict. & J.Rousseau 1940; Cypripedium calceolus var. planipetalum (Fernald) Victorin & J.Rousseau 1940; Cypripedium flavescens DC ?; Cypripedium furcatum Raf. 1833; Cypripedium luteum var. angustifolium Raf. 1828; Cypripedium luteum var. biflorum Raf. 1828; Cypripedium luteum var. concolor Raf. 1828; Cypripedium luteum var. glabrum Raf. 1828; Cypripedium luteum var. grandiflorum Raf. 1828; Cypripedium luteum var. maculatum Raf. 1828; Cypripedium luteum var. pubescens (Willd.) Raf. 1828; Cypripedium parviflorum var. planipetalum Fernald 1926; Cypripedium parviflorum var. pubescens (Willd.) O.W. Knight 1906; Cypripedium planipetalum (Fernald) F.J.A.Morris 1929; Cypripedium pubescens Willd. 1805; Cypripedium pubescens Willd. 1805 var planipetalum; Cypripedium undatum Raf. 1833; Cypripedium veganum Cockerell & Barker 1901; Cypripedium vittatum Raf. 1833; Cypripedium vittatum var. tortile Raf. 1833

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915 as C pubescens; AOS Bulletin Vol 27 No 10 1958 photo; AOS Bulletin Vol 28 No 4 1959; AOS Bulletin Vol 31 No 6 1962 photo; AOS Bulletin Vol 32 No 6 1963 photo as C pubescens; AOS Bulletin Vol 33 NO 5 1964 photo; Encyclopedia of Cultivated Orchids Hawkes 1965; Die Orchideen #3 9-12 tafel 4 Rudolph Schlechter 1971 drawing ok; AOS Bulletin Vol 47 No 6 1978 photo; Orchid Digest Vol 44 No 6 1980 photo fide; AOS Bulletin Vol 51 No 9 1982 photo as C furcatum; Orchid Digest Vol 46 No 6 1982 photo fide as C pubescens; Orchid Digest Vol 47 No 4 1983 photo fide as C pubescens; AOS Bulletin Vol 53 No 5 1984; Orchid Digest Vol 49 No 2 1985 photo fide; AOS Bulletin Vol 61 No 6/550-1 1992 photo; Schlechteriana Vol 4 No 1/2 1993 as Cypripedium pubescens var planipetalum; Schlechteriana Vol 4 No 4 1993 as C pubescens; AOS Bulletin Vol 63 No 10 1994 photo; AOS Bulletin Vol 65 No 6 1996 photo; AOS Bulletin Vol 66 No 6 1997 photo; AOS Bulletin Vol 68 No 4 1999 photo; AOS Bulletin Vol 69 No 5 2000 photo; Rudolf Schlechter Die Orchideen Lieferung 39 2000 as C paviflorum var pubescens; AOS Bulletin Vol 71 No 1 2002 photo as C parviflorum var pubescens; AOS Bulletin Vol 72 No 12 2003 photo as C parviflorum var pubescens; AOS Bulletin Vol 73 No 8 2004 photo as C pubescens; AOS Bulletin Vol 74 No 10 2005 photo as c parviflorum var pubescens; Orchid DIgest Vol 71 No 1 2007; AOS Bulletin Vol 77 No 2 2008 photo as C parviflorum var pubescens; AOS Bulletin Vol 78 No 5 2009 photo as C parviflorum var pubescens;

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