Paphiopedilum haynaldianum (Rchb.f.) Stein

First published in Orchid.-Buch: 470 (1892)
This species is accepted
The native range of this species is Philippines (Luzon, Negros). It is a perennial and grows primarily in the wet tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/43320362/43327859

Conservation
EN - endangered
[IUCN]

Distribution

Philippines (Luzon & Negros); sea-level to 1400 m altitude.

General Description

A terrestrial, lithophytic or rarely epiphytic herb. Leaves 6–7, linear-ligulate, obtuse or rounded at tricuspidate apex, 22–45 cm long, 5 cm wide, mid-green. Inflorescence spreading-arcuate to suberect, 3–4-flowered; peduncle 18–51 cm long, purple, shaggily white-villose; bracts oblonglanceolate, obtuse, apiculate, 2.7–4.6 cm long. Flowers 10–12.5 cm across; dorsal sepal creamy white, flushed purple on side, green or yellow in centre and heavily spotted with maroon in basal half; synsepalum pale green, spotted with maroon at base; petals green or yellow spotted with maroon in basal half, purple above; lip ochre-green with darker veins, purple-pubescent within; staminode pale green, dotted with white; pedicel and ovary 3.2–6 cm long, green, heavily mottled with purple, villose. Dorsal sepal obovate-elliptic, subacute and cucullate at apex, 3.5–6.2 cm long, 1.5–2.6 cm wide, with recurved basal margin. Synsepal elliptic, bidenticulate, 2.5–4.5 cm long, 2–2.5 cm wide. Petals arcuate, spathulate, acute or obtuse, half-twisted, 5.8–8 cm long, 1–1.4 cm wide, ciliolate. Lip 3.5–4.5 cm long, 2–2.3 cm wide. Staminode obovate, incised at apex, 12 mm long, 8 mm wide, with a short pubescent protuberance at base. 2n = 26.

[C-EM]

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: threatened. Confidence: confident
[AERP]

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 2025. 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 2025. 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