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This species is accepted, and its native range is SE. Kenya to E. Tanzania (incl. Pemba, Zanzibar), W. Indian Ocean.
Angraecum eburneum

[FTEA]

Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
A large robust epiphyte or lithophyte with an erect stem 60–100 cm. long, 1.5–2 cm. in diameter.
Morphology Roots
Roots thick, fleshy, like boot-laces, 3.5–5 mm. in diameter.
Morphology Leaves
Leaves 6–10 or more, distichous, fleshy-coriaceous, obovate-ligulate, unequally roundly bilobed at the apex, 16–50(–70) cm. long, 2.9–7 cm. wide.
Morphology Reproductive morphology Inflorescences
Inflorescences suberect or ascending, 8–20-flowered, 30–75 cm. long; peduncle stout, 12–29 cm. long, bearing 1–3 well-spaced sheaths along length; bracts amplexicaul, broadly ovate, obtuse, 0.9–1.5 cm. long, dark brown.
Morphology Reproductive morphology Flowers
Flowers with a white lip, yellow-green at the mouth of the spur and with green sepals, petals and column, pleasantly scented at night; pedicel and ovary 16–18 mm. long, with the ovary twisted through 180°.
Morphology Reproductive morphology Flowers Calyx
Sepals reflexed, linear-lanceolate, acuminate, 3.3–4.5 cm. long, 5–7(–10) mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals linear-lanceolate, acuminate, 3.2–4.2(–4.5) cm. long, 5–7 mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip erect, transversely oblong to broadly ovate, (2–)2.4–3(–4.5) cm. long, 2.8–4.2 cm. wide, with a terminal apicule 5–7 mm. long; callus an entire ridge tapering from the base to the apex in the middle of the lip.
Morphology Reproductive morphology Flowers Spur
Spur cylindrical, pendent, 4–5.8(–7) cm. long.
Morphology Reproductive morphology Flowers Column
Column fleshy, 5 mm. long, green.

Native to:

Aldabra, Comoros, Kenya, Madagascar, Mauritius, Réunion, Seychelles, Tanzania

Angraecum eburneum Bory appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nov 1, 2006 73538.000
13377.000
32017.000
Wood, D. [1697], Seychelles 34687.000
Hillerman, Madagascar 54273.000
Reunion 6253.000

First published in Voy. îles Afrique 1: 359 (1804)

Accepted by

  • Bernet, P. (2010). Orchidées de la Réunion: 1-368. Naturae Amici éditions.
  • Cribb, P., Hermans, J. & Rakotoarinivo, M. (2009). Field Guide to the Orchids of Madagascar: 1-456. Kew Publishing, Royal Botanic Gardens, Kew.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of Tropical East Africa

  • Bory, Voy. 1: 359, t. 19 (1804).
  • Senghas & Cribb in Die Orchidee 30(1): CXXI–CXXII (1979).

Art and Illustrations in Digifolia
Digital Image © Board of Trustees, RBG Kew

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Science Photographs
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/