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| Synonyms: |
Gonocormus mannii (Hook.) G.Kunkel Trichomanes angustilaciniatum Bonap. Trichomanes mannianum Mett. ex Kuhn Trichomanes mannii Hook. Trichomanes trinerve Baker |
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| Description: |
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. |
| Notes: | |
| 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 |
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| Worldwide distribution: | Sierra Leone to Sudan and south to Angola and Zambia; Madagascar, Comoro and Mascarene Islands. |
| Growth form(s): | Epiphyte, lithophyte. |
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| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Beentje, H.J. (2008). Hymenophyllaceae Flora of Tropical East Africa Pages 22 - 24. (Includes a picture). Fisher E. & Lobin W. (2024). Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda. Willdenowia 53(3) Page 162. 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. |
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