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  1. Family: Zamiaceae Horan.
    1. Genus: Encephalartos Lehm.
      1. Encephalartos hildebrandtii A.Braun & C.D.Bouché

        This species is accepted, and its native range is SE. Kenya to NE. Tanzania.

    [EDGE]

    Forest, F. et al. 2018. Gymnosperms on the EDGE. Scientific Reports 8: 6053. doi:10.1038/s41598-018-24365-4.

    Conservation
    Encephalartos hildebrandtii is rated as Near Threatened (NT) according to IUCN Red List criteria and has received a EDGE score of -4.32, which places it in position 654 on the EDGE Gymnosperm list. It has a Evolutionary Distinctiveness of 3.33, ranked 902. More information on the EDGE Gymnosperm project here https://www.edgeofexistence.org.
    [FZ]

    Cycadaceae, John Lewis. Flora Zambesiaca 1:1. 1960

    Habit
    Trunk up to 6 m. tall.
    Leaves
    Leaves up to 3 m. long, white woolly when young; median leaflets up to 35 x 4–5 cm., lanceolate, falcate, but with the tips curved forwards above, margin with 2–6 spiniferous teeth on each side which are more closely set towards the base; leaflets reducing in size towards the base, and becoming elliptic, being ultimately replaced by short spines which continue to the petiole-base.
    Male
    Male cones up to 50 x 9 cm., cylindric-fusiform; peduncle 5–25 cm. long; median cone-scales distinctly ascending with the heads sharply deflexed so that the terminal facet is retained in a plane parallel to the cone-axis; heads triangular-rhomboid with a rounded adaxial margin, terminal facet rhombic and concave.
    Cones
    Female cones up to 60 x 25 cm., cylindric, dull yellow; peduncle 4–6 cm. long; median cone-scales truncate-deltoid in outline with the rhomboid heads deflexed; terminal facet hexagonal and concave. Male cones up to 50 x 9 cm., cylindric-fusiform; peduncle 5–25 cm. long; median cone-scales distinctly ascending with the heads sharply deflexed so that the terminal facet is retained in a plane parallel to the cone-axis; heads triangular-rhomboid with a rounded adaxial margin, terminal facet rhombic and concave.
    Female
    Female cones up to 60 x 25 cm., cylindric, dull yellow; peduncle 4–6 cm. long; median cone-scales truncate-deltoid in outline with the rhomboid heads deflexed; terminal facet hexagonal and concave.
    Seeds
    Seeds 3 cm. long, oblong-ovoid, vermilion.

    Images

    Distribution

    Native to:

    Kenya, Tanzania

    Other Data

    Encephalartos hildebrandtii A.Braun & C.D.Bouché appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Drummond, R.B. [3583], Tanzania 19129.000
    Hemsley, J.H. [1418], Tanzania 22382.000
    Hildebrandt, J.M. [s.n.] K000076195
    Brighton, G. 29047.440

    Bibliography

    First published in Index Seminum (B, Berolinensis) 1874: 18 (1874)

    Accepted by

    • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.

    Sources

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

    EDGE Gymnosperms
    EDGE of Existence (Gymnosperms)
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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 Selected Plant Families 2020. 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 2020. 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/