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| Description: |
Rhizome creeping, c. 4 mm in diameter; rhizome scales 5 × 1 mm, pale-brown, concolorous, lanceolate acuminate, margin mostly entire or with occasional hair-like outgrows. Fronds simple, closely spaced, coriaceous. Sterile fronds: stipe up to 11 cm long, pale greenish-grey or pale brown, at first set with linear, pale brown scales up to 5 mm long, later becoming subglabrous. Sterile lamina oblanceolate to narrowly elliptic in outline, apex sharply pointed, base wedge-shaped and prolonged down the axis, up to 10 × 3 cm, margin with a pale, tough border. Fertile fronds: lamina very narrowly oblanceolate, base prolonged down the axis, hairless. Sporangia covering the undersurface of the lamina. |
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| Notes: | |
| Derivation of specific name: | zambesiacum: of the Zambezi region |
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| Worldwide distribution: | DRC, Zambia |
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| Growth form(s): | Lithophyte, terrestrial. |
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| Spot characters: | Display spot characters for this species |
| Literature: |
Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 112. Meerts, P. et al. (2026). A checklist of the vascular plants of the Democratic Republic of the Congo. PhytoKeys 277 Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 149. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 133. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 210. Vollesen, K. & Merrett, L. (2019). Field Guide to the (wetter) Zambian Miombo Woodland. Part 1 (Ferns & Monocots) GVPedia Communications Page 99. (Includes a picture). |