Orchidaceae
Platanthera

Platanthera micrantha (Hochst. ex Seub.) Schltr.

First published in Repert. Spec. Nov. Regni Veg. 16: 378 (1920)
This species is accepted
The native range of this species is Azores. It is a tuberous geophyte and grows primarily in the temperate biome.

Descriptions

Distribution

Azores.

General Description

Tubers 2, ovoid-ellipsoid. Plant 20-50 cm. Lowest 2 leaves 6-15(-17) x 2-6.5 cm, oblanceolate-oblong to elliptical, usually one distinctly above the other but rarely subopposite; above them 2-6 much smaller leaves passing into the bracts. Spike 8-13 cm; flowers green. Perianth-segments 2-4 mm. Labellum 2-4 mm, narrowly oblong to oblong-elliptical, horizontal. Spur 2.5-8 mm, obtuse, 1/3- 4/5 as long as ovary.

Habitat

Mountain grassland.

[O-EM]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/175973/7159797

Conservation
EN - endangered
[IUCN]

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: low confidence
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Herbarium Catalogue Specimens

    • 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 2026. 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 2026. 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

  • Orchideae: e-monocot.org

    • All Rights Reserved