Orchidaceae
Eulophia

Eulophia subulata Rendle

First published in J. Bot. 33: 167 (1895)
This species is accepted
The native range of this species is E. Tropical Africa to Angola. It is a pseudobulbous 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, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
A terrestrial herb 20–75 cm. tall.
Vegetative Multiplication Tubers
Perennating organs underground, tuberous, irregularly conical to ellipsoidal, 25–32 mm. long, 15–30 mm. diameter; roots fine, 1.5 mm. diameter, white.
Morphology Leaves
Leaves 1–2, erect, linear, acuminate, 15–40 cm. long, 2–15 mm. wide.
Morphology Reproductive morphology Inflorescences
Inflorescence produced with young leaves, clavate; peduncle 2.5–3.5 mm. diameter, bearing 4–5 papery but not overlapping sheaths along length; rhachis 2–11 mm. long; bracts reflexed, aristate, acuminate, 11–15 mm. long.
Morphology Reproductive morphology Flowers
Flowers densely clustered, pale yellow or yellow; pedicel and ovary 10–13 mm. long.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal lanceolate, acute to acuminate, 19–21 mm. long, 4–7 mm. wide; lateral sepals obliquely oblong-lanceolate, acute, 21–37 mm. long, 8–11 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals oblong, acute or acuminate, 17–26 mm. long, 3.5–8 mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip 3-lobed, 15.5–24 mm. long, 10.5–13.5 mm. wide; side lobes rounded in front; mid-lobe circular to elliptic, obtuse or rounded; callus of 2 ridges with a few papillae in front on base of mid-lobe.
Morphology Reproductive morphology Flowers Spur
Spur pendent, subclavate-cylindrical, 2.5–4 mm. long.
Morphology Reproductive morphology Flowers Column
Column 2–3 mm. long; foot 2 mm. long.
Morphology Reproductive morphology Fruits
Fruit pendent, 16–20 mm. long.
Habitat
In seasonally wet grassland and swamps; 1100–1700 m.
Distribution
K4 K6 T1 U2 U4
[FTEA]

General Description

A terrestrial herb 20–75 cm. tall. Perennating organs underground, tuberous, irregularly conical to ellipsoidal, 25–32 mm. long, 15–30 mm. diameter; roots fine, 1.5 mm. diameter, white. Leaves 1–2, erect, linear, acuminate, 15–40 cm. long, 2–15 mm. wide. Inflorescence produced with young leaves, clavate; peduncle 2.5–3.5 mm. diameter, bearing 4–5 papery but not overlapping sheaths along length; rhachis 2–11 mm. long; bracts reflexed, aristate, acuminate, 11–15 mm. long. Flowers densely clustered, pale yellow or yellow; pedicel and ovary 10–13 mm. long. Dorsal sepal lanceolate, acute to acuminate, 19–21 mm. long, 4–7 mm. wide; lateral sepals obliquely oblong-lanceolate, acute, 21–37 mm. long, 8–11 mm. wide. Petals oblong, acute or acuminate, 17–26 mm. long, 3.5–8 mm. wide. Lip 3-lobed, 15.5–24 mm. long, 10.5–13.5 mm. wide; side lobes rounded in front; mid-lobe circular to elliptic, obtuse or rounded; callus of 2 ridges with a few papillae in front on base of mid-lobe; spur pendent, subclavate-cylindrical, 2.5–4 mm. long. Column 2–3 mm. long; foot 2 mm. long. Fruit pendent, 16–20 mm. long.

Habitat

In seasonally wet grassland and swamps; 1100–1700 m.

[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 of Tropical East Africa

    • Flora of Tropical East Africa
    • 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