Lellingeria - Polypodiaceae

Lellingeria rupestris Parris

 

 

 

 

Synonyms

Common name

Description

Rhizome long-creeping. Fronds pinnate, very closely spaced, stipes 2–5 mm apart in each row. Stipes 6–17 mm long, glabrous or with simple glandular hairs. Lamina linear in outline, 6.2– 11+ x 0.1–0.2 mm wide, apex bluntly pointed, base long-attenuate, deeply pinnately divided to a distance 0.1–0.2 mm wide from the midrib in sterile part of lamina, in apical fertile part of lamina 1/8-1/10 entire, pinnae 19–37 pairs, longest pinnae ± 1 x 1 mm, triangular in outline, apex bluntly pointed to rounded, with simple glandular hairs on lower surface of rhachis; lateral veins simple, free, each vein ending marked by a round to elongate hydathode on upper surface of lamina. Sori fused between veins and across rachis at maturity, on 2– 8 pairs of veins, in apical 1/8– 1/10 of lamina, 1 per frond.

Notes

Derivation

Habitat

On rocks in fast flowing river, with bryophytes, Hymenophyllum tunbrigense and H. peltatum.

Distribution worldwide

See African distribution.

Distribution in Africa

Tanzania .

Growth form

Lithophytic.

Literature

  • Parris, B.S. (2005) Grammitidaceae. Flora of Tropical East Africa, Pages 7 - 9. (Includes a picture).
  • Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Page 156.
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