Cheilanthes dolomiticola (Schelpe) Schelpe & N.C.Anthony
Synonyms |
Pellaea dolomiticola Schelpe |
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Common name |
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Description |
Rhizome shortly creeping to suberect, c. 4 mm in diameter; rhizome scales narrowly lanceolate in outline, pale brown, up to 4 x 0.75 mm. Fronds monomorphic, tufted, erect, thinly coriaceous. Stipe up to 10 cm long, brown, set with pale, creamy membranous scales, lanceolate in outline, margin entire to subentire, c. 3 x 0.6 mm, denser and almost white on new fronds. Lamina 2-pinnate to 3-pinnatifid, broadly elliptic to broadly lanceolate in outline, up to 9 x 5 cm; pinnae 3-6 alternate pairs, oblong-acute in outline, up to 2-1.2 cm, lowest ones reduced; pinnules subopposit to alternate, narrowly oblong in outline, apex pointed, upper surface glaucous, both surfaces glabrous; veins obscure; rhachis and costae set with scattered cream or white, broad, membranous scales. Sori continuous, marginal; indusium membranous, erose. |
Notes | |
Derivation | dolomiticola: growing on dolomite, a reference to the habitat favoured by this fern. |
Habitat | Growing in rock crevices or in soil at base of boulders of dolomitic limestone outcrops, in full sun or light shade of scrub. |
Distribution worldwide | See African distribution. |
Distribution in Africa |
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Growth form |
Lithophytic, terrestrial. |
Literature |
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