Overview

Comprehensive Description

General Description

Plants 15-25 cm tall, with a slender, creeping rhizome. Stem erect, pubescent and glandular hairy, with several sheaths at base and 2 or rarely 3 leaves above. Leaves subopposite or occasionally alternate, at or above middle of plant; blade often turning black or blackish when dried, elliptic, ovate or ovate-lanceolate, 5-12 cm long, 2.5-4.5 cm wide, abaxial veins sparsely pubescent or subglabrous, apex acute or acuminate. Inflorescence terminal, with 1 flower; peduncle densely pubescent and glandular hairy; floral bracts foliaceous, ovate-lanceolate, usually 1.5-3 cm, minutely ciliate, apex acute or acuminate; pedicel and ovary 1-1.5 cm, with glandular hairs. Flower white with purplish red or brownish red markings. Dorsal sepal ovate-elliptic or broadly ovate-elliptic, 1.5-2.2 cm long, 1.2-1.6 cm wide, often sparsely puberulent toward abaxial base, apex acute or shortly acuminate; synsepal narrowly elliptic, 1.2-1.8 cm long, 0.5-0.6 cm wide, apex shallowly 2-lobed. Petals often subspatulate or pandurate, 1.3-1.8 cm long, 0.5-0.7 cm wide, hairy toward adaxial base, apex often slightly dilated and rounded; lip deeply pouched, pitcher-shaped, ca. 1.5 cm long, 1.5 cm wide, lacking an incurved apical margin, with a broad mouth, inner bottom hairy. Staminode ovate-elliptic, 4-5 mm long, 2.5-3 mm wide, abaxially broadly keeled, adaxially minutely longitudinally ridged, apex emarginate or subtruncate. Capsule pendent, nearly narrowly ellipsoid, ca. 2.5 cm long, 8-10 mm wide, puberulent.
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Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: Next to C. calceolus and its variety pubescens, C. guttatum is the most widely distributed of our native Cypripediums. Found in Northwest Territories, Yukon to Alaska and the Aleutians, also Japan, China, Manchuria, Siberia to Central Russia (Luer).

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N.W.T., Yukon; Alaska; Asia.
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Cypripedium guttatum is occurring in Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi, Sichuan, Xizang, NW Yunnan of China, Bhutan, Korea, Russia (Siberia), Europe, North America.
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Physical Description

Morphology

Description

Plants erect, 12–35 cm. Leaves 2 (–3,very rarely), on middle half of stem, alternate to subopposite, wide-spreading; blade lance-ovate 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.
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Ecology

Habitat

Comments: Meadows, grassy moors, grasslands or on lwr. slopes of hills & mnts., sometimes in open wds. in assc. w/birches & Cornus.

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Moist to dry open deciduous and spruce forest, tundra, meadows, scree; 0--800m.
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Growing in forests, thickets, grasslands; 500-4000 m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering Jun--Jul.
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Flowering from May to July; fruiting from August to September.
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Molecular Biology and Genetics

Genetics

The chromosomal number of Cypripedium guttatum is 2n = 20 (Lavrenko et al., 1991; Stepanov, 1994).
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Molecular Biology

Barcode data: Cypripedium guttatum

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Cypripedium guttatum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N4 - Apparently Secure

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Frequently cultivated in Asia, common throughout its rather large range.

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Wikipedia

Notes

Comments

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.
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