Eulophia acutilabra Summerh.

First published in Bull. Misc. Inform. Kew 1927: 416 (1927)
This species is accepted
The native range of this species is S. DR Congo to S. Tropical Africa. It is a pseudobulbous geophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

General Description

Slender terrestrial herb 15–46 cm tall.Perennating organs subterranean, tuberous, elongate, c. 4 × 1.5 cm.Leaves 3–5, the lowest 2 reduced to sheaths, up to 8 cm × 3 mm, narrowly linear, scarcely developed at flowering time.Inflorescence laxly 3–15-flowered; scape with a few scattered sheaths.Pedicel and ovary 8–10 mm long, the ovary developing on the lowest flowers while the upper ones are still in bud; bracts 5–7 mm long, linear-lanceolate, acuminate.Sepals greenish-purple; petals lilac or pale pink with darker veins, lip side lobes green with purple veins, mid-lobe pale lilac with purple veins and white papillae; spur green.Sepals semi-erect, recurved at the tips,10–20 × 1–2 mm, narrowly lanceolate or oblanceolate, acute or acuminate.Petals 8–16 × 1.5–3 mm, oblong-linear, acuminate, lying over the column.Lip 9–16 × 5–7 mm, 3-lobed, with 3 lacerate crests running from the base to below the apex, and with some papillae on the mid-lobe; side lobes short, obtuse or rounded; mid-lobe 4.5–9 × 3–4 mm, oblanceolate or obovate, acute, the edge crenulate; spur 3–6 mm long, slender, cylindrical, obtuse, straight or slightly recurved.Column 3–4 mm long with a short foot.

Habitat

Miombo and mixed deciduous woodland, often in rocky soil

[E-EM]

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

Morphology General Habit
Slender terrestrial herb 15–46 cm tall.
Vegetative Multiplication Tubers
Perennating organs subterranean, tuberous, elongate, c. 4 × 1.5 cm.
Morphology Leaves
Leaves 3–5, the lowest 2 reduced to sheaths, up to 8 cm × 3 mm, narrowly linear, scarcely developed at flowering time.
Morphology Reproductive morphology Inflorescences
Inflorescence laxly 3–15-flowered; scape with a few scattered sheaths.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Pedicel and ovary 8–10 mm long, the ovary developing on the lowest flowers while the upper ones are still in bud.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 5–7 mm long, linear-lanceolate, acuminate.
Morphology Reproductive morphology Flowers Perianth
Sepals greenish-purple; petals lilac or pale pink with darker veins, lip side lobes green with purple veins, mid-lobe pale lilac with purple veins and white papillae; spur green.
Morphology Reproductive morphology Flowers Calyx
Sepals semi-erect, recurved at the tips,10–20 × 1–2 mm, narrowly lanceolate or oblanceolate, acute or acuminate.
Morphology Reproductive morphology Flowers Corolla
Petals 8–16 × 1.5–3 mm, oblong-linear, acuminate, lying over the column.
Morphology Reproductive morphology Flowers Labellum
Lip 9–16 × 5–7 mm, 3-lobed, with 3 lacerate crests running from the base to below the apex, and with some papillae on the mid-lobe; side lobes short, obtuse or rounded; mid-lobe 4.5–9 × 3–4 mm, oblanceolate or obovate, acute, the edge crenulate; spur 3–6 mm long, slender, cylindrical, obtuse, straight or slightly recurved.
Morphology Reproductive morphology Flowers Column
Column 3–4 mm long with a short foot.
[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: threatened. Confidence: low confidence
[AERP]

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 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