Cypripedium passerinum

Richardson in J. Franklin et al.

in J. Franklin et al., Narr. Journey Polar Sea, 762. 1823.

Common names: Sparrow’s-egg lady’s-slipper Franklin’s lady’s-slipper
IllustratedEndemic
Synonyms: Cypripedium passerinum var. minganense Victorin
Treatment appears in FNA Volume 26. Treatment on page 503. Mentioned on page 500, 502.

Plants erect, 12–38 [–50] cm. Leaves 3–7, along length of stem, alternate, ascending to spreading; blade elliptic to elliptic-lanceolate or ovatelanceolate, 5–19 × 1.5–6 cm. Flowers 1 (–2); sepals white or green; dorsal sepal suborbiculate to obovate-orbiculate, rarely elliptic, 11–20 × (7–) 9–15 mm; lateral sepals connate to nearly distinct, 6–12 mm, segments 3–6 mm wide; synsepal 6–15 mm wide; petals spreading, white, oblong to linear-elliptic, flat, 12–20 × 3–6 mm; lip white, rarely pinkish, obovoid, 11–20 mm; orifice basal but often proportionally very large, 9–13 mm; staminode cordiform-ovoid to ovoid-oblong. 2n = 20.


Phenology: Flowering Jun–Jul.
Habitat: Moist coniferous forests, thickets, openings, tundra, especially in coarse soils of terraces and stream banks
Elevation: 0–2200 m

Distribution

V26 1025-distribution-map.jpg

Alta., B.C., Man., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Mont.

Discussion

Selected References

None.

Lower Taxa

None.

"alternate" is not a number.

... more about "Cypripedium passerinum"
self-pollination +
Charles J. Sheviak +
Richardson in J. Franklin et al. +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
5 cm50 mm <br />0.05 m <br /> (19 cm190 mm <br />0.19 m <br />) +
elliptic +  and elliptic-lanceolate or ovatelanceolate +
1.5 cm15 mm <br />0.015 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Sparrow’s-egg lady’s-slipper +  and Franklin’s lady’s-slipper +
Alta. +, B.C. +, Man. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +  and Mont. +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0–2200 m +
3-merous +, sessile +  and pedicellate +
ellipsoid;oblong-ellipsoid +
Moist coniferous forests, thickets, openings, tundra, especially in coarse soils of terraces and stream banks +
lateral +  and terminal +
connate +  and nearly distinct +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
petiolate +, sessile +  and simple +
subopposite +  and alternate +
ascending;spreading +
cauline +  and basal +
3 (?) +  and 7 (?) +
reduced +
pinkish +  and white +
obovoid +
larger +
1.1 cm11 mm <br />0.011 m <br /> (2 cm20 mm <br />0.02 m <br />) +
differing in form and color +
0.9 cm9 mm <br />0.009 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
12mm;20mm +
oblong;linear-elliptic +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering Jun–Jul. +
in J. Franklin et al., Narr. Journey Polar Sea, +
short;elongate +
aerial +  and subterranean +
slender +
minute +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
green +  and white +
distinct +
foliaceous +
not +  and alike +
Illustrated +  and Endemic +
cordiform-ovoid +  and ovoid-oblong +
scapose +  and leafy +
pendent +  and erect +
proliferous +
thickened +  and stout +
2-3-lobed +
Cypripedium passerinum var. minganense +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Cypripedium passerinum +
Cypripedium +
species +
38 cm380 mm <br />0.38 m <br /> (50 cm500 mm <br />0.5 m <br />) +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +