Orchidaceae
Habenaria

Habenaria snowdenii Summerh.

First published in Bull. Misc. Inform. Kew 1931: 380 (1931)
This species is accepted
The native range of this species is DR Congo to Uganda. 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, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
A terrestrial herb 1–2 dm. high.
Vegetative Multiplication Tubers
Tubers cylindrical, 1.5–2 cm. long, tomentose.
Morphology Stem
Stem erect, slender, with 1 or 2 basal leaves and a few scattered sheaths along the rest of the stem, pubescent.
Morphology Leaves
Leaf or leaves adpressed to the soil, ± orbicular, apiculate, cordate at the base, 1–2 cm. long and broad, deep green above, paler beneath, glabrous with ciliate margins; sheaths lanceolate, acuminate, to 1 cm. long, pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescence 1.5–6 cm. long, scarcely 2cm. in diameter, densely 6–11-flowered; rhachis densely pubescent.
Morphology Reproductive morphology Inflorescences Bracts
Bracts lanceolate, acuminate, up to 8 mm. long, pubescent.
Morphology Reproductive morphology Flowers
Flowers suberect, not resupinate, yellow to yellowish-green; pedicel with ovary almost straight, ± 1 cm. long.
Morphology Reproductive morphology Flowers Calyx
Intermediate sepal pointing downwards, convex, ovate to broadly ovate, acute, 5 mm. long, 3–4.5 mm. broad; laterals reflexed, obliquely semi-ovate, acute, 5–6 mm. long, ± 3 mm. broad; all sepals pubescent outside.
Morphology Reproductive morphology Flowers Corolla
Petals parallel to the anther, bipartite to near the base, ± 5 mm. long, glabrous; lobe nearest the intermediate sepal obliquely oblong or elliptical-oblong, subacute, ± 4 mm. long, nearly 2 mm. broad, the other lobe smaller, linear or lanceolate-linear, acute, just over 3 mm. long, ± 0.5 mm. broad.
Morphology Reproductive morphology Flowers Labellum
Lip upright, 3-lobed from below the middle, 7–9 mm. long, glabrous; undivided basal part widened upwards, 2–4 mm. long; lobes diverging, ligulate, 5–6 mm. long, the middle lobe a little longer than the side lobes and about twice as broad.
Morphology Reproductive morphology Flowers Spur
Spur projecting upwards, not much swollen, ± 7 mm. long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther ± 2.5 mm. high, canals porrect, very short.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmas very short, truncate at apex.
Morphology Reproductive morphology Flowers Rostellum
Rostellum rounded triangular, placed between and in front of the anther-loculi, nearly 2 mm. long.
Habitat
In short grass with scattered bushes; 1250 m.
Distribution
U1
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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 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