Three new threatened Keetia species (Rubiaceae—Vanguerieae), from the forests of the Eastern Arc Mountains, Tanzania - Royal Botanic Gardens, Kew research repository
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Journal article

Three new threatened Keetia species (Rubiaceae—Vanguerieae), from the forests of the Eastern Arc Mountains, Tanzania

27 September 2019

Abstract

Keetia sp. A, of the Flora of Tropical East Africa, based on Mabberley & Salehe 1496, is formally named as Keetia davidii following the discovery of a second specimen, also from the Ukaguru Mountains of the Eastern Arc of Tanzania. This small tree or shrub is assessed as Endangered using the IUCN 2012 standard. Keetia sp. B, a shrub from Kwiro Forest near Mahenge, is described as Keetia mwasumbii. Based on Cribb et al. 11027, it is assessed as Critically Endangered. Keetia sp. C, formally named as Keetia semsei based on Semsei 2025, from the Shikurufumi Forest near the Uluguru Mountains, is also assessed as Critically Endangered. The three species each derive from separate threatened patches of forest that are among the least well-surveyed and least protected in the Eastern Arc Mountain archipelago. For this reason, naming them, so enabling inclusion in the IUCN Red List, is important if they are to be included in conservation prioritisation exercises.

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Metadata

  • Resource type

    Journal article

  • Institution
    • Royal Botanic Gardens, Kew

  • Journal title
    • Gardens' Bulletin Singapore

  • Volume
    • 71

  • Issue
    • suppl.2

  • Pagination
    • 155-169

  • Publisher
    • National Parks Board

  • ISSN
    • 0374-7859

  • eISSN
    • 2382-5812

  • DOI
    • doi.org/10.26492/gbs71(suppl.2).2019-12