Cypripedium L., 1753

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 326

publication ID	https://doi.org/ 10.5281/zenodo.215522
DOI	https://doi.org/10.5281/zenodo.6283008
persistent identifier	https://treatment.plazi.org/id/53341027-FF9E-FF9C-6A43-F909F9D3FE2D
treatment provided by	Plazi
scientific name	Cypripedium L.
status

Treatment

1. Cypripedium L. View in CoL View at ENA 1

Plants with creeping rhizomes. Stems with 2-4 leaves. Flowers solitary, rarely 2(-3), large. Perianth-segments patent; outer median ovate to elliptical, erect, the outer lateral connate in basal half; inner oblong to lanceolate, often twisted. Labellum

large, concave, inflated, slipper-shaped; spur absent. Column stout, surmounted by large petaloid sterile anther partly closing mouth of labellum. Stigmas peltate; rostellum absent. Viscidia absent; bursicles absent.

1 Stem with 2 leaves; median outer perianth-segment 1 -8-2-8 cm

3. guttatum View in CoL

1 Stem with 3-4 leaves; median outer perianth-segment 3*5—6 cm

2 Labellum yellow, distinctly shorter than other perianth-

segments 1. calceolus View in CoL

2 Labellum pinkish to purplish, not or slightly shorter than other perianth-segments 2. macranthos View in CoL