Eulophia eylesii Summerh.

First published in Bot. Not. 1937: 194 (1937)
This species is accepted
The native range of this species is Rwanda to S. Tropical Africa. It is a hemimycotrophic rhizomatous 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: not threatened. Confidence: confident
[AERP]

Orchidaceae, I. la Croix & P.J. Cribb. Flora Zambesiaca 11:2. 1998

Morphology General Habit
Terrestrial herb, saprophytic or semi-saprophytic, lacking green leaves and drying almost black.
Vegetative Multiplication Tubers
Perennating organs subterranean, tuberous, c. 8 cm long, 1 cm in diameter, cigar-shaped, ± erect, with 1–3 flowering stems arising from the side about halfway along.
Morphology Reproductive morphology Inflorescences
Inflorescence fairly densely many-flowered; scape brownish-yellow with several brownish sheaths towards the base and 1–2 smaller sheaths further up.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Pedicel and ovary arched, pedicel 2–3 mm long, ovary 3–5 mm long, starting to swell before the flowers wither.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 9–10 mm long, lanceolate, acuminate, brownish.
Morphology Reproductive morphology Flowers
Flowers rather drooping, sepals brown, greenish-brown or purple-green, petals dull yellow, lip whitish-yellow with yellow papillae on mid-lobe and purple veins on the side lobes.
Morphology Reproductive morphology Flowers Calyx
Sepals ligulate-oblanceolate, acute or acuminate, the tips reflexed, dorsal sepal 9–12 × 1.3–2.2 mm, laterals 10–13 × 1.8–2.3 mm.
Morphology Reproductive morphology Flowers Corolla
Petals 7.5–11 × 1–2.4 mm, narrowly oblong-elliptic, acute or apiculate.
Morphology Reproductive morphology Flowers Labellum
Lip 9–10 mm long, 4–4.8 mm wide when flattened, 3-lobed in the apical half; side lobes rounded-triangular; mid-lobe 4–4.5 × 3–3.6 mm, the apex rounded or apiculate, the edges crisped; callus of 3 low crests in the basal half, the mid-lobe covered with papillae.
Morphology Reproductive morphology Flowers Spur
Spur 2–3.5 mm long, straight, inflated at apex.
Morphology Reproductive morphology Flowers Column
Column 3.5 mm long, the anther with 2 very short recurved hairs.
[FZ]

Habitat

Miombo and mixed deciduous woodland, often on stony soil, often forming colonies

General Description

Terrestrial herb, saprophytic or semi-saprophytic, lacking green leaves and drying almost black.Perennating organs subterranean, tuberous, c. 8 cm long, 1 cm in diameter, cigar-shaped, ± erect, with 1–3 flowering stems arising from the side about halfway along.Inflorescence fairly densely many-flowered; scape brownish-yellow with several brownish sheaths towards the base and 1–2 smaller sheaths further up.Pedicel and ovary arched, pedicel 2–3 mm long, ovary 3–5 mm long, starting to swell before the flowers wither; bracts 9–10 mm long, lanceolate, acuminate, brownish.Flowers rather drooping, sepals brown, greenish-brown or purple-green, petals dull yellow, lip whitish-yellow with yellow papillae on mid-lobe and purple veins on the side lobes.Sepals ligulate-oblanceolate, acute or acuminate, the tips reflexed, dorsal sepal 9–12 × 1.3–2.2 mm, laterals 10–13 × 1.8–2.3 mm.Petals 7.5–11 × 1–2.4 mm, narrowly oblong-elliptic, acute or apiculate.Lip 9–10 mm long, 4–4.8 mm wide when flattened, 3-lobed in the apical half; side lobes rounded-triangular; mid-lobe 4–4.5 × 3–3.6 mm, the apex rounded or apiculate, the edges crisped; callus of 3 low crests in the basal half, the mid-lobe covered with papillae.Spur 2–3.5 mm long, straight, inflated at apex.Column 3.5 mm long, the anther with 2 very short recurved hairs.

[E-EM]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Eulophiinae: e-monocot.org

    • All Rights Reserved
  • 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 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