1. Family: Orchidaceae Juss.
    1. Genus: Vanilla Plum. ex Mill.
      1. Vanilla imperialis Kraenzl.

        This species is accepted, and its native range is W. Tropical Africa to SW. Ethiopia and Angola.

    [FTEA]

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

    Habit
    Epiphytic, glabrous, leafy liane of indeterminate length, with roots of various lengths arising at nodes.
    Stem
    Internodes up to 15 cm. long, 2.5 cm. diameter, succulent, terete, 4-channelled, dull bluish green, with single leaf arising at each node opposite or subtending each adventitious root.
    Leaves
    Leaves fleshy, broadly elliptic-oblong to ovate, apiculate or subobtuse, 15–25 cm. long, 8–12 cm. broad, dull bluish green.
    Inflorescences
    Inflorescences axillary, sessile, usually erect, densely many-flowered, unbranched, up to 15 cm. long; bracts ovate, obtuse or subacute, up to 3 cm. long, closely imbricating.
    Flowers
    Flowers often opening singly, persisting for 1–2 days, yellow or cream, lip heavily blotched deep rose to purple especially on inner surface towards apex; pedicel and ovary up to 11 cm. long.
    Perianth
    Sepals and petals subequal, elliptic-lanceolate, acute, up to 8 cm. long and 1.8 cm. broad.
    Labellum
    Lip up to 6 cm. long, basal part united to column nearly to anther, forming a funnel-like tube, obscurely 3-lobed, with side lobes broadly rounded and enveloping column-apex, middle lobe acute, apical margin markedly crenulate and folded with thick long papillae at extreme apex; disc of lip bearing dense tuft of fine hairs; tube formed by lip and column hairy inside.
    Column
    Column adnate to lip for greater part of length, arcuate, up to 4 cm. long, hairy on lower surface.
    Fruits
    Capsule up to 25 cm. long and 1.5 cm. broad.
    Habitat
    Scrambling over forest trees and up tree-trunks in shade; 900–1200 m.
    Distribution
    T3 U2 U4
    [FWTA]

    Orchidaceae, V. S. Summerhayes. Flora of West Tropical Africa 3:1. 1968

    Habit
    A fleshy climbing herb with thick stems
    Inflorescences
    Dense racemes of large cream or yellow flowers
    Labellum
    Purple or rosy markings on the lip.

    Distribution

    Native to:

    Angola, Cameroon, Central African Repu, Congo, Equatorial Guinea, Ethiopia, Gabon, Ghana, Ivory Coast, Liberia, Nigeria, Sierra Leone, Tanzania, Uganda, Zaïre

    Vanilla imperialis Kraenzl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Uganda 19560.000
    Ghana 29029.000
    Pfennig, H. [1317], Uganda 29047.242
    Ormaston, H.A., Uganda 29827.000

    First published in Notizbl. Königl. Bot. Gart. Berlin 1: 155 (1896)

    Accepted by

    • Velayos, M. & al. (eds.) (2018). Flora de Guinea Ecuatorial 10: 1-491. Consejo superior de investigaciones científicas, Real jardín botánico, Madrid.
    • Jongkind, C. (2014). Fauna & Flora of Liberia, flowering plant species list www.liberianfaunaflora.org.
    • Soto Arenas, M.A. & Cribb, P. (2010). A new infrageneric classification and synopsis of the genus Vanilla Plum. ex Mill. (Orchidaceae: Vanillinae) Lankesteriana 9: 355-398.
    • Lejoly, J. & Geerinck, D. (2010). Flore de la Tshopo (RD Congo): Familles des Malvaceae, Orchidaceae, Sterculiaceae, Tiliaceae Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 29: 1-41.
    • Hedberg, I., Friis, I. & Persson, E. (2009). Flora of Ethiopia and Eritrea 1: 1-305. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Szlachetko, D.L. & al. (2004). Flore du Gabon 36: 1-231. Muséum National D'Histoire Naturelle, Paris.
    • 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 West Tropical Africa
    • F.T.A. 7: 178.
    • in Notizbl. Bot, Gart. BerL. 1: 155, t. 1 (1896)
    Kew Backbone Distributions
    • Jongkind, C. (2014). Fauna & Flora of Liberia, flowering plant species list www.liberianfaunaflora.org.
    • Soto Arenas, M.A. & Cribb, P. (2010). A new infrageneric classification and synopsis of the genus Vanilla Plum. ex Mill. (Orchidaceae: Vanillinae) Lankesteriana 9: 355-398.
    • Szlachetko, D.L. & al. (2004). Flore du Gabon 36: 1-231. Muséum National D'Histoire Naturelle, Paris.
    Flora of Tropical East Africa
    • Piers, Orch. E. Afr., ed. 2: 82, fig. 26 (1969).
    • Summerh. in Flora of West Tropical Africa, ed. 2, 3: 206 (1968).
    • Robyns & Tournay, Flore des Spermatophytes du Parc National Albert. 3: 454 (1955).
    • Rolfe in Flora of Tropical Africa 7: 178 (1897).
    • Kraenzl. in Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahelm 1: 155, t. 1 (1896).

    Sources

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

    Flora of West Tropical Africa
    Flora of West Tropical 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.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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