Cheilanthes scioana (Chiov.) J.P.Roux
Synonyms |
Mohria scioana Chiov. |
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Common name |
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Description |
Rhizome short creeping or erect; rhizome scales 2–4 mm long, pale or darker with pale margins. Fronds 10–35, monomorphic, in dense tufts, (4–)10–22 cm tall. Stipe (2–)3–8 cm long, usually shorter than the lamina, densely brown scaly and with some white powder. Lamina 2-pinnate to 3-pinnatifid, pinnae in 2–5 pairs, sessile, the lower well spaced, oblong to triangular in outline, 1–4 x 0.5–2 cm; pinnules ± 7 pairs, 3–12 x 3–5 mm, green above, densely white-powdery beneath, the first basiscopic lobe usually longest; ultimate segments small and rounded; rhachis densely scaly. Sori superficial, marginal, black; indusia grey-green. |
Notes | |
Derivation | scioana: referring to Scioà, one of the governorates of the Italian Empire of Ethiopia where this fern was first found. |
Habitat | Shallow poorly drained whitish silty soil on limestone in Acacia-Commiphora bushland, also metamorphic rocks on mountain slopes. |
Distribution worldwide | Africa, Oman, Socotra, Yemen. |
Distribution in Africa |
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Growth form |
Terrestrial. |
Literature |
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