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  1. Family: Polypodiaceae J.Presl & C.Presl
    1. Ctenitis (C.Chr.) C.Chr.

      1. This genus is accepted, and is native to Asia-Tropical, Africa, Pacific, Southern America, Northern America, Norfolk Island and Asia-Temperate..


    Dryopteridaceae, JP Roux, M Shaffer-Fehre, B Verdcourt. Flora of Tropical East Africa. 2007

    Medium sized to large ferns, terrestrial or epilithic
    Rhizome erect, even trunklike, with clathrate scales
    Stipes with adaxial groove and basal scales; blade oblong-lanceolate, pinnate-pinnatifid to tri-pinnate, catadromous, maybe anadromous at very base; penultimate divisions often oblique with unequal base, decurrent and wing-connected, margin entire, serrate, crenate to pinnatifid.
    Veins free, simple or forked, basal vein of a segment rarely springing from costa instead of costule. Fronds tufted.
    Indumentum of narrow paleae that proximally bear short marginal outgrowths and often unicellular glands, pluricellular and acicular hairs on axes and adaxial lamina surfaces occasionally with ctenitoid hairs
    Sori small circular, median, on enclosed veinlets, indusiate; sporangium short-stalked
    About 150 species in the tropics and south temperate area; absent from Australia



    Native to:

    Angola, Argentina Northeast, Argentina Northwest, Assam, Bahamas, Bangladesh, Belize, Bermuda, Bismarck Archipelago, Bolivia, Borneo, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burundi, Cameroon, Central African Repu, China South-Central, China Southeast, Colombia, Comoros, Costa Rica, Cuba, Dominican Republic, East Himalaya, Ecuador, El Salvador, Ethiopia, Fiji, Florida, French Guiana, Galápagos, Ghana, Guatemala, Guinea, Gulf of Guinea Is., Guyana, Hainan, Haiti, Hawaii, Honduras, Ivory Coast, Jamaica, Japan, Jawa, Kazan-retto, Kenya, Korea, Leeward Is., Lesser Sunda Is., Louisiana, Madagascar, Malawi, Malaya, Maluku, Marianas, Mauritius, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mozambique, Myanmar, Nansei-shoto, New Guinea, Nicaragua, Norfolk Is., Ogasawara-shoto, Panamá, Paraguay, Peru, Philippines, Pitcairn Is., Puerto Rico, Rodrigues, Réunion, Samoa, Society Is., Solomon Is., Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Taiwan, Tanzania, Thailand, Tibet, Togo, Trinidad-Tobago, Tubuai Is., Uganda, Uruguay, Venezuela, Venezuelan Antilles, Vietnam, Windward Is., Zambia, Zaïre, Zimbabwe

    Accepted Species


    Other Data

    Ctenitis (C.Chr.) C.Chr. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    La Croix, I.F. [4970], Congo K000501436
    Beyrich [ s.n.], Brazil K000954441


    First published in Notul. Syst. (Paris) 7: 86 (1938)

    Accepted by

    • Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.


    Flora of Tropical East Africa

    • Verdoorn, Man. Pteridol.: 543 (1938)
    • Dryopteris Adans. subgen Ctenitis C.Chr., Biol. Arb. Warming: 77 (1911)


    Flora of Tropical East Africa
    Flora of Tropical East Africa

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
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    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 World Checklist of Selected Plant Families.

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.