Crepidomanes mannii (Hook) J.P.Roux

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Synonyms: Gonocormus mannii (Hook.) G.Kunkel
Trichomanes angustilaciniatum Bonap.
Trichomanes mannianum Mett. ex Kuhn
Trichomanes mannii Hook.
Trichomanes trinerve Baker
Common names:
Status: Native
Rhizome long-creeping, threadlike, branched, with dense light to dark brown hairs to 0.8 mm. Fronds spaced. Stipe 1–2.5 cm long, sometimes proliferous, not winged, glabrous except at the very base. Lamina dark green, suborbicular to ovoid or rhomboid in outline, irregular, up to 5(–9) × 3 cm, palmately or flabellately and dichotomously dissected, the segments sometimes themselves pinnatifid, occasionally 2-pinnatifid, base wedge-shaped. Ultimate segments ± 0.5 mm wide, apex rounded or notched; with longitudinal folds on drying. Sori up to 8 in number, marginal, often axillary in the sinuses between the lobes in the upper part of the lamina; indusium cone- to bell-shaped, up to 1.8 × 0.8 mm, minutely winged, mouth widened to 1 mm, wavy, scarcely 2-lipped; receptacle often exserted.
Type location:
Derivation of specific name: mannii: in honor of Gustav Mann (1836-1916), German botanist, Kew gardener, plant collector, botanical explorer, Indian Forest Service 1863-1891, a member of William Balfour Baikie's Niger expedition 1859-1862, and British colonial repres
Habitat: On wet rocks or lower parts of tree trunks in moist shady forests.
Altitude range: 600 - 2000 m
Worldwide distribution: Sierra Leone to Sudan and south to Angola and Zambia; Madagascar, Comoro and Mascarene Islands.
Zambian distribution (Flora Zambesiaca): N,W
Zambian distribution (Provinces): Nw
Growth form(s): Epiphyte, lithophyte.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Beentje, H.J. (2008). Hymenophyllaceae Flora of Tropical East Africa Pages 22 - 24. (Includes a picture).

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 72. As Trichomanes manii Hook.

Roux, J.P. (2000). Pteridophyta; a new combination and new records for the flora of Malawi Bothalia 30(2) Page 155.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Pages 45 - 46.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 40.

Other sources of information about Crepidomanes mannii:

Our websites:

Flora of Malawi: Crepidomanes mannii

External websites:

African Plants: A Photo Guide (Senckenberg): Crepidomanes mannii
BHL (Biodiversity Heritage Library): Crepidomanes mannii
EOL (Encyclopedia of Life): Crepidomanes mannii
ePIC (electronic Plant Information Center): Crepidomanes mannii
Flora Zambesiaca web site: Crepidomanes mannii
GBIF (Global Biodiversity Information Facility): Crepidomanes mannii
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Crepidomanes mannii
iNaturalist: Crepidomanes mannii
IPNI (International Plant Names Index): Crepidomanes mannii
JSTOR Plant Science: Crepidomanes mannii
Kew Herbarium catalogue: Crepidomanes mannii
Mansfeld World Database of Agricultural and Horticultural Crops: Crepidomanes mannii
Plants of the World Online: Crepidomanes mannii
Tropicos: Crepidomanes mannii
Wikipedia: Crepidomanes mannii

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-21

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2021). Flora of Zambia: Species information: Crepidomanes mannii., retrieved 25 October 2021

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