Orchidaceae
Cypripedium

Cypripedium shanxiense S.C.Chen

First published in Acta Phytotax. Sin. 21: 343 (1983)
This species is accepted
The native range of this species is China to Sakhalin and N. Japan. It is a rhizomatous geophyte and grows primarily in the temperate biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/43316831/43327729

Conservation
NT - near threatened
[IUCN]

Biology

Flowering in May and June.

Distribution

China (Shanxi, Hubei, Ningxia, Gansu, Qinghai). Possibly also inJapan (Hokkaido) and Russia (Sakhalin Island).

Ecology

In somewhat shaded places in deciduous and mixed deciduous woodland and in grassland; sea level to 2500 m. Flowering in May and June.

General Description

A terrestrial herb 40-55 cm tall with an erect pubescent stem, covered below by three to five sheaths each 2-6 cm long. Leaves three to four, sheathing at the base, elliptic to ovatelanceolate, acuminate, 7-15 cm long, 4-8 cm wide, somewhat pubescent to glabrescent at the base on the underside, ciliate. Inflorescence one- to three-flowered but usually two-flowered; peduncle and rhachis pubescent; bracts leaf-like, 5.5-10 cm long, 1-3(-4) cm wide, with pilose veins on both surfaces. Flowers brown, purple or purplish, small, about 4 cm across; pedicle and ovary 3.5-5 cm long, densely glandular-pubescent. Dorsal sepal lanceolate, more or less cordate-acuminate, 3-3.5 cm long, 1 cm wide; synsepal subsimilar but shorter, 2.5-3 cm long, bifid at apex, the free tips 5-10 mm long. Petals untwisted, narrowly lanceolate or linear-lanceolate, acuminate, 3-3.5 cm long, 0.4 cm wide, almost glabrous. Lip small, subglobose, 1.6-2 cm long, c. 1.3 cm across, hirsute within towards the base, the side lobes inflexed, subtriangular. Column short; anthers subglobose, with slender 1-2 mm long curved filaments; staminode purple with brown-purple spotting in the basal part, oblongelliptic, biauriculate at base, subacute and more or less mucronate, c. 0.7 cm long, 0.35 cm wide.

[C-EM]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Cypripedioideae: e-monocot.org

    • All Rights Reserved

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Science Photographs

    • Copyright applied to individual images