Cypripedium parviflorum

Cypripedium parviflorum is a highly variable species occurring in North America. Three subspecies are recognized.

  • Cypripedium parviflorum
    1. Cyp. parviflorum var. parviflorum
    2. Cyp. parviflorum var. pubescens
    3. Cyp. parviflorum var. makasin

The variability is both genetic as most forms breed true as well as environmental. For example, specimens from Newfoundland that are very low-growing and with small, compressed flowers and flat petals were described as Cypripedium parviflorum var. planipetalum. When transplanted farther south, many of these plants produce larger flowers of form more typical for the species.

Adding to the variability of the species is its hybridization with several other species over parts of its range.

Hybrid Variety parent Other parent Description Year
xandrewsii parviflorum candidum A. M. Fuller 19xx
xandrewsii nothovar. andrewsii parviflorum var. makasin candidum ? 19xx
xandrewsii nothovar. favillianum parviflorum var. pubescens candidum (J. T. Curtiss) B. Boivin 19xx
xandrewsii nothovar. landonii parviflorum var. parviflorum xandrewsii nothovar. favillianum (Garay) B. Boivin 20xx
xcolumbianum parviflorum montanum Sheviak 1992


Map was drawn from a digital map from Šplaniglobe 2004

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Cypripedium parviflorum

Cypripedium parviflorum var. parviflorum at left compared to Cypripedium parviflorum var. pubescens at right.

Cypripedium pubescens

Cypripedium parviflorum var. pubescens growing at The Gardens at Post Hill.

Cypripedium pubescens

Cypripedium parviflorum var. pubescens in the garden of Paul Perakos.

Cypripedium parvilforum var makasin

A very nice Cypripedium parviflorum var. makasin. This variety has a very sweet scent.