Orchidaceae
Habenaria

Habenaria aitchisonii Rchb.f.

First published in Trans. Linn. Soc. London, Bot. 3: 113 (1886)
This species is accepted
The native range of this species is Afghanistan to W. & S. Central China and N. Myanmar. It is a tuberous 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]

Distribution

W Sichuan.

General Description

Plants 21-30 cm tall. Tubers oblong, 1.5-2.5 × 1-1.5 cm, fleshy. Stem erect, pubescent, with 2 nearly opposite leaves at base, and sometimes 1-6 bractlike leaflets above leaves. Leaf blade spreading horizontally, adaxially with yellowish white markings, cordate or ovate, 4-8.5 × 3.5-9 cm, slightly fleshy, base abruptly narrowed and amplexicaul, apex acute. Raceme many flowered, 7-10 cm; rachis pubescent; floral bracts lanceolate, shorter than ovary, ciliate, apex acuminate; ovary twisted, cylindric-fusiform, including pedicel 8-10 mm. Flowers yellowish green. Dorsal sepal erect, broadly ovate, concave, ca. 5 × 3.5 mm, 3-veined, apex obtuse; lateral sepals reflexed, obliquely ovate, ca. 6 × 3 mm, 3-veined, apex obtuse. Petals basally 2-lobed; upper lobe falcate-lanceolate, ca. 6 mm; lower lobe a tooth at base of upper lobe, ca. 0.5 mm; lip spurred at base, near base deeply 3-lobed, lobes linear, ca. 6.5 mm; lateral lobes lanceolate-filiform, slightly narrower than linear mid-lobe; spur pendulous, subclavate, ca. as long as ovary, apex obtuse; pollinia ovoid; viscidia elliptic; stigmas clavate.

Habitat

Forests; ca. 2200 m.

[O-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]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/22486267/22487506

Conservation
LC - least concern
[IUCN]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • 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 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

  • Orchideae: e-monocot.org

    • All Rights Reserved