Cypripedium debile Rchb. f. 1874SECTION Retrinervia
Photo by © Pieter C. Brouwer and his Nature Photo Website
Photo by © David Llewelyn and his Koolplants website
Common Name The Frail Cypripedium - In Japan- Ko-Atsumori-So - In China Dui Ye Shao Lan
Flower Size 1/4 to 3/4" [1 to 2 cm]
Found in Japan, Taiwan and Chongking, southern Gansu, western Hubei and western Sichuan provinces of China in humus rich and well drained soils in forests, thickets and shady places along ravines at elevations of 2000 to 2800 meters as a mini-miniature sized, cold growing terrestrial with glabrous, erect, slender stems provided with 2 to 3, basal sheaths and carrying 2, horizontally spreading, opposite to subopposite, broadly ovate, triangularly ovate, to cordate, herbaceous, glabrous, minutely ciliate, reticulate veined, acute to shortly acuminate, subcordate to broadly cuneate below leaves that blooms in the spring on a terminal, pendulous, peduncle .8 to 2" [2 to 5 cm] long, slender, glabrous, single flowered inflorescence with linear, galbrous longer than the ovary floral bract and carrying the flower just above ground level.
Synonyms Cypripedium cardiophyllum Franch. & Sav. 1877
References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae vol 2 Rchb.f 1874; AOS Bulletin Vol 29 No 3 1960; AOS Bulletin Vol 44 #8 1975; Wild Orchids of China Tsi, Chen Mori 1997; Orchid Digest Vol 62 #1 1998 photo fide; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000; AOS Bulletin Vol 77 No 2 2008 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo ok; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; Orchid Digest Vol 80 #2 2016 photo fide;
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