Orchidaceae
Habenaria

Habenaria hirsutissima Summerh.

First published in Kew Bull. 17: 521 (1964)
This species is accepted
The native range of this species is N. Mozambique. It is a tuberous geophyte and grows primarily in the seasonally dry tropical 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: threatened. Confidence: confident
[AERP]

Orchidaceae, I. la Croix and P.J. Cribb. Flora Zambesiaca 11:1. 1995

Morphology General Habit
Terrestrial herb 20–30 cm tall, ± whole plant hairy; tubers 8–17 × 7–10 mm, ellipsoid or globose.
Morphology Stem
Stem erect, with 1 basal leaf and several bract-like stem leaves along its length.
Morphology Leaves
Basal leaf appressed to the ground, c. 3 × 3 cm, orbicular, cordate, ± glabrous above and below, but densely hairy on margins.
Morphology Reproductive morphology Inflorescences
Inflorescence 5 × 3 cm, fairly laxly c. 7-flowered; bracts c. 6 mm long.
Morphology Reproductive morphology Flowers
Flowers greenish-white.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Ovary and pedicel 12–15 mm long.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal erect, 8 × 6 mm, ovate, subacute, convex; lateral sepals patent, 8.5 × 4 mm, obliquely semi-orbicular, convex, subacute or apiculate; all sepals very hairy.
Morphology Reproductive morphology Flowers Corolla
Petals 2-lobed ± to base, long ciliate; posterior lobe 7 × 1.5 mm, erect, curved; anterior lobe 8–8.5 × 0.5 mm, patent or ascending.
Morphology Reproductive morphology Flowers Labellum
Lip hairy, 3-lobed almost to base; mid-lobe deflexed, 10 × 1.5 mm, linear; side lobes 12–13 × 0.5 mm, curving up like anterior petal lobe; spur 2 cm long, slightly inflated at apex, parallel to ovary, then slightly recurved.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther 2.5–3 mm high; canals 1.75 mm long.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmatic arms 2 mm long, thick.
[FZ]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • 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/

  • 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