Asplenium ceterach

 

Asplenium ceterach

 

Dalakotu
 
 
Syn: Ceterach officinarum
Similar to Asplenium but with the fronds only pinnatifid, densely covered with rust-coloured scales below, and indusium rudimentary or absent. Rhizome short, erect. Fronds tufted, persistent, 8-20 em, pinnatifid; petiole less than ½ the length of laminae; pinnae oblong, broader at base, apex rounded, entire or crenate. Sori linear, indusium absent. Spores ripe 4. Dry walls, limestone metamorphic rocks, 10-1300 m.
Mediterranean & Atlantic areas of Europe, Crimea, Caucasia, Himalayas.
 
 
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