Cheilanthes - Sinopteridaceae

Cheilanthes deboeri Verdc.

 

 

 

 

Synonyms

Common name

Description

Rhizome short, creeping; rhizome scales linear-lanceolate in outline, remotely serrate near base, 4–8 mm long, colourless to deep shiny chestnut with pale edges. Fronds monomorphic, tufted, 10–40 cm long. Stipe slender, 6–14 cm long, dark purple, with scales at base. Lamina 2–3-pinnate with 4–6 pairs of pinnae, oblong to narrowly triangular in outline, 6–10 x 5–6 cm; pinnae oblong in outline, 2–4 x 1–2.5 cm; pinnules articulated, subsessile to shortly stipitate, oblong-elliptic in outline, margin entire, 0.35–2.4 x 0.15–1.2 cm, green above and with dense white to brown branched hairs, pale beneath with a waxy coating of scales bearing branched hairs consisting of a short foot and spreading branches from the apex, the whole forming a dense white to brown tomentum covering the surface; rhachis simply pilose. Sori more or less continuous, completely obscured by hairs; indusium about 0.3 mm wide, slightly crenulate at the margins, micro-rugulose.

Notes

Derivation

deboeri: named after de Boer.

Habitat

Exposed rocky ridge in mist zone, shady slopes beneath rock outcrops.

Distribution worldwide

See African distribution.

Distribution in Africa

Tanzania .

Growth form

Terrestrial.

Literature

  • 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 180.
  • Verdcourt, B. (2002) Adiantaceae. Flora of Tropical East Africa, Page 40.
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