Habenaria tentaculigera Rchb.f.

First published in Flora 50: 101 (1867)
This species is accepted
The native range of this species is Tanzania to S. Tropical Africa. It is a tuberous geophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Terrestrial herb 20–60 cm tall.
Vegetative Multiplication Tubers
Tubers 1.5–5 × 1–2 cm, ovoid or ellipsoid, woolly.
Morphology Stem
Stem leafy.
Morphology Leaves
Leaves 5–11, the lowermost 1–2 sheathing; the next few suberect or spreading, 3–8 × 1.5–3 cm, lanceolate, acute; the upper ones grading into the bracts.
Morphology Reproductive morphology Inflorescences
Inflorescence 5–26 × 5–6 cm, laxly 3–17-flowered; bracts 10–30 mm long.
Morphology Reproductive morphology Flowers
Flowers green or yellow-green.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Pedicel and ovary 15–30 mm long, ± straight.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal 16–20 × 15 mm, ovate, very convex, curving forwards, the tip recurved; lateral sepals projecting forwards, 12–15 × 3–6 mm, obliquely lanceolate, adnate to column and base of spur for about half their length.
Morphology Reproductive morphology Flowers Corolla
Petals erect, 2-lobed, with an undivided basal part c. 10 mmlong; posterior lobe 7–8.5 × c. 3 mm, lanceolate, the margins ciliate, adnate to dorsal sepal; anterior lobe 20–33 × 1 mm, linear, fleshy.
Morphology Reproductive morphology Flowers Labellum
Lip 3-lobed, the base adnate to the column for 6–9 mm, the free part deflexed, 3-lobed with an undivided part 3–4 mm long; mid-lobe ± reflexed, 7–9 × 1–2 mm, linear, fleshy; side lobes 14–22 × 1 mm, linear, curving forwards; spur 20–22 mm long, bent forwards with a knee-like bend just below the base, then recurved, the apex swollen.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther loculi c. 3 mm high, reclinate, joined by a U-shaped connective c. 4 mm high and 14–16 mm long; canals c. 3 mm long, porrect, then upcurved.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmatic arms 4–5 mm long, clavate, decurved.
[FZ]

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]

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

    • 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 2024. 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 2024. 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