Grammitis - Polypodiaceae

Grammitis kyimbilensis (Brause ex Brause & Hieron.) Copel.

 

 

 

 

Synonyms

Grammitis pseudomarginella (Bonap.) Ching
Polypodium kyimbilense Brause ex Brause & Hieron.
Polypodium pseudomarginellum Bonap.

Common name

Description

Rhizome short-creeping, sometimes branched; rhizome scales narrowly lanceolate to linear-lanceolate in outline, medium to dark red-brown, glabrous apart from 1–2 pale to dark red-brown simple eglandular hairs at apex. Fronds simple, closely spaced, stipes 0.2–1.6 mm apart in each row. Stipe 6–50 mm long with translucent to pale red-brown hairs 0.1–0.7 mm long. Lamina narrowly elliptic, linear-elliptic or narrowly lanceolate in outline, 2.7–15.5+ x 0.3–0.8 cm, apex rounded to pointed, base cuneate to long-tapering, with dark brown to blackish sclerotic margin 0.1–0.2 mm wide, with translucent to pale red-brown hairs 0.1–1.6 mm long on margin; lateral veins 1–(2-) forked, branch endings without hydathodes on adaxial surface of lamina. Sori in middle to apical 1/8 to ± throughout lamina, 1–31+ in each row.

Notes

Derivation

kyimbilensis: from Kyimbila; the type specimen was collected in Kyimbila, a mission nearby Tukuyu in the highland Rungwe District of southern Tanzania.

Habitat

Tree trunks or on upper branches of tall trees, in montane forest, on granitic rocks.

Distribution worldwide

Africa, Madagascar.

Distribution in Africa

Tanzania .

Growth form

Epiphytic, lithophytic.

Literature

  • Parris, B.S. (2005) Grammitidaceae. Flora of Tropical East Africa, Page 3. (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 154.
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