Cypripedium parviflorum var. pubescens

(Willdenow) O. W. Knight

Rhodora8: 93. 1906

Common names: Cypripède pubescent
Synonyms: Cypripedium calceolus planipetalum Cypripedium calceolus pubescens Cypripedium flavescens Cypripedium parviflorum planipetalum
Basionyms: Cypripedium pubescens Cypripedium veganum
Found in FNA Volume 26. Treatment on page 506. Mentioned on page 502, 504, 505, 507.
FNA26 Plate 079.jpeg
Bracts: abaxial surface of distalmost sheathing bract (and often the next) densely and conspicuously silvery-pubescent when young (later sometimes glabrescent). Leaves 3–5, on proximal portion of or more evenly spaced along stem, alternate, erect to spreading; blade orbiculate or broadly ovate to elliptic-lanceolate or oblanceolate, 7.9–20.9 × 1.5–12 cm. Flowers 1–2, large to rather small (very small in some boreal and northern cordilleran specimens), scent moderate to faint, rose or musty; sepals commonly spotted, striped, and reticulately marked with reddish brown or madder, rarely extensively blotched or wholly unmarked; lip oblance-ovoid to calceolate or subglobose, 20–54 mm; orifice 10–23(–27) mm. 2n = 20.

Phenology: Flowering Apr–Aug.
Habitat: Mesic deciduous and coniferous forest, openings, thickets, prairies, meadows, fens
Elevation: 0–2900 m

Distribution

Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., Que., Sask., Ariz., Colo., Conn., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Oreg., Pa., R.I., Tenn., Utah, Vt., Va., Wash., W.Va., Wis.

Discussion

References

None.

AuthorCharles J. Sheviak +
BasionymCypripedium pubescens + and Cypripedium veganum +
Common nameCypripède pubescent +
Elevation0–2900 m +
HabitatMesic deciduous and coniferous forest, openings, thickets, prairies, meadows, fens +
IllustratorYevonn Wilson-Ramsey +
PhenologyFlowering Apr–Aug. +
ReferenceNone +
SynonymCypripedium calceolus planipetalum +, Cypripedium calceolus pubescens +, Cypripedium flavescens + and Cypripedium parviflorum planipetalum +
Taxon nameCypripedium parviflorum var. pubescens +
Taxon parentCypripedium parviflorum +
Taxon rankvariety +
VolumeVolume 26 +