Cypripedium guttatum

Cypripedium guttatum Swartz

Languages: English

Overview

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.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Description

Genetics

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

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Ecology and Distribution

Cyclicity

Flowering from May to July; fruiting from August to September.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Distribution

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.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Habitat

Growing in forests, thickets, grasslands; 500-4000 m.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Taxonomy

  • Cypripedium bouffordianum Yong H. Zhang & H. Sun (synonym)
  • Cypripedium orientale Sprengel (synonym)
  • Cypripedium guttatum f. albiflorum Averyanov (synonym)
  • Cypripedium guttatum f. punicum Y. N. Lee (synonym)
  • Cypripedium guttatum var. koreanum Nakai (synonym)
  • Cypripedium variegatum Georgi (synonym)

References

Lavrenko, A. N., Serditov N. P., & Ulle Z. G. (1991).  Chromosome numbers in some species of vascular plants from the Pechoro-Ilychsky Reservation (Komi ASSR). Botaničeskij Žurnal (Moscow & Leningrad). 76,
Stepanov, N. V. (1994).  Chromosome numbers of some higher plants taxa of the flora of Krasnoyarsk region. Botaničeskij Žurnal (Moscow & Leningrad). 79,