Cypripedium guttatum

Swartz

Kongl. Vetensk. Acad. Nya Handl. 21: 251. 1800.

Common names: Spotted lady’s-slipper
Illustrated
Treatment appears in FNA Volume 26. Treatment on page 501. Mentioned on page 500, 502.

Plants erect, 12–35 cm. Leaves 2 (–3,very rarely), on middle half of stem, alternate to subopposite, widespreading; blade lanceovate to ovate-suborbiculate, 5–15 × 1.5–8 cm. Flowers solitary, erect; sepals white with pink to reddish or magenta markings; dorsal sepal ovate to suborbiculate-elliptic, 12–28 × 6–19 mm; lateral sepals connate, synsepal 12–21 × 3–8 mm; petals spreading, same color as sepals, lanceolate-subpandurate (constricted near apex), flat, 10–20 × 4–9 mm, slightly shorter than to equaling lip, margins undulate-revolute to slightly spiraled; lip similarly colored, subglobose to obovoid, 15–30 mm; orifice basal, 10–24 mm; staminode oblong-quadrangular to broadly ellipsoid or ovoid. 2n = 20, 20.


Phenology: Flowering Jun–Jul.
Habitat: Moist to dry open deciduous and spruce forest, tundra, meadows, scree
Elevation: 0–800 m

Distribution

V26 1021-distribution-map.jpg

N.W.T., Yukon, Alaska, Asia

Discussion

Cypripedium guttatum has been reported from British Columbia (D. S. Correll 1950), apparently based on a single collection of C. parviflorum (M. G. Henry 119 GH, PH). See the discussion under 4. C. yatabeanum.

Selected References

None.

Lower Taxa

None.
... more about "Cypripedium guttatum"
self-pollination +
Charles J. Sheviak +
Swartz +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
lanceovate +  and ovate-suborbiculate +
1.5 cm15 mm <br />0.015 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Spotted lady’s-slipper +
N.W.T. +, Yukon +, Alaska +  and Asia +
1.2 cm12 mm <br />0.012 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
0–800 m +
3-merous +, sessile +  and pedicellate +
ellipsoid;oblong-ellipsoid +
Moist to dry open deciduous and spruce forest, tundra, meadows, scree +
lateral +  and terminal +
petiolate +, sessile +  and simple +
alternate +  and subopposite +
widespreading +
cauline +  and basal +
reduced +
subglobose +  and obovoid +
larger +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
undulate-revolute +
pink +  and reddish or magenta +
differing in form and color +
1 cm10 mm <br />0.01 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
lanceolate-subpandurate +
10mm;20mm +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Flowering Jun–Jul. +
Kongl. Vetensk. Acad. Nya Handl. +
short;elongate +
aerial +  and subterranean +
slender +
minute +
distinct +
foliaceous +
not +  and alike +
Illustrated +
oblong-quadrangular +  and broadly ellipsoid or ovoid +
scapose +  and leafy +
pendent +  and erect +
proliferous +
thickened +  and stout +
2-3-lobed +
1.2 cm12 mm <br />0.012 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Cypripedium guttatum +
Cypripedium +
species +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +