Orchidaceae
Disa

Disa woodii Schltr.

First published in Ann. Transvaal Mus. 10: 247 (1924)
This species is accepted
The native range of this species is Zimbabwe to S. Africa. 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]

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

Morphology General Habit
Terrestrial herb with separate fertile and sterile shoots, perennating by testicular tubers.
Morphology General Shoots
Sterile shoot not always developed, c. 5 cm long when present, with 3–4 semi-erect, acute, linear to lorate leaves up to 25 cm long. Fertile shoots 15–70 cm long, cauline leaves 6–25, sheathing at the base, free blade more or less conduplicate, linear to narrowly lanceolate and acute.
Sterile
Sterile shoot not always developed, c. 5 cm long when present, with 3–4 semi-erect, acute, linear to lorate leaves up to 25 cm long.
Fertile
Fertile shoots 15–70 cm long, cauline leaves 6–25, sheathing at the base, free blade more or less conduplicate, linear to narrowly lanceolate and acute.
Morphology Reproductive morphology Inflorescences
Inflorescence dense, 3–17 cm long, cylindrical, 80–100-flowered.
Morphology Reproductive morphology Inflorescences Bracts
Floral bracts narrowly ovate, acute to subacuminate, usually as tall as the flowers with the apices reflexed.
Morphology Reproductive morphology Flowers
Flowers bright yellow, often with apices of the parts orange-tinted.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal forming an erect galea, 5–7 mm tall, 3–4 mm wide and c. 1 mm deep, elliptic to subobovate, obtuse. Lateral sepals 6–7 mm long, narrowly oblong, acute.
Morphology Reproductive morphology Flowers Spur
Spur pendent from just above the base of the galea, 0.8–1.5(2.5) mm long.
Morphology Reproductive morphology Flowers Corolla
Petals 4–6 mm long, narrowly obovate, acute.
Morphology Reproductive morphology Flowers Labellum
Lip c. 6 mm long, lorate to linear.
Morphology Reproductive morphology Flowers Rostellum
Rostellum simple.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther erect, c. 3.5 mm long.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma with well developed lateral lobes.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 5–10 mm long.
[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