Polypodiaceae

Ctenitis (C.Chr.) C.Chr.

First published in Notul. Syst. (Paris) 7: 86 (1938)
This genus is accepted
The native range of this genus is Tropics & Subtropics.

Descriptions

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

Morphology General Habit
Medium sized to large ferns, terrestrial or epilithic
Vegetative Multiplication Rhizomes
Rhizome erect, even trunklike, with clathrate scales
Morphology Leaves Stipes
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.
Morphology Leaves
Veins free, simple or forked, basal vein of a segment rarely springing from costa instead of costule. Fronds tufted.
Morphology General Indumentum
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
Morphology Reproductive morphology Sori
Sori small circular, median, on enclosed veinlets, indusiate; sporangium short-stalked
Note
About 150 species in the tropics and south temperate area; absent from Australia
[FTEA]

Sources

  • 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 Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0