Zygophlebia devoluta (Baker) Parris
Synonyms |
Polypodium devolutum Baker |
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Common name |
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Description |
Rhizome short-creeping, not branched; rhizome scales narrowly lanceolate to linear-lanceolate in outline, 2.2–6.7 x 0.3–0.5 mm. Fronds closely spaced (0.1-1.1 mm). Stipe 1.2–9.3 cm, with simple eglandular hairs 0.9–3.4 mm long. Lamina narrowly elliptic to narrowly lanceolate in outline, 6.2–16.9 x 1.5–2.7 cm, apex bluntly pointed, base ± truncate to tapering, pinnate or deeply pinnately divided to a distance 0.1–0.6 mm from the midrib. Pinnae 14–47 pairs and 1–4 pairs of apical lobes, lowest pair of pinnae sometimes reduced to auricles, usually 2 mm or more long, longest pinnae 6–15 x 2–5 mm, narrowly oblong to narrowly oblanceolate in outline, apex bluntly pointed to rounded; with small hairs 0.8–3.7 mm on both surfaces of lamina and on margin, and translucent 1–2-forked catenate glandular hairs 0.1–0.2 mm as receptacular paraphyses; lateral vein branchlets free, or branchlets of the same vein branch sometimes anastomosing at apex near margin. Sori on 12–37 pairs of pinnae, in apical 1/3 to ± throughout lamina including basal pair of pinnae, 1–9 in each row on longest pinnae, apical 1/5 to ± throughout pinnae, midway between pinna mid–vein and margin. |
Notes | |
Derivation | |
Habitat | Montane forest with Parinari excelsa, Newtonia buchananii, Ocolea usambarensis, Macaranga kilimandscharica, sometimes growing with Bryophytes, Mecodium, Elaphoglossum. |
Distribution worldwide | Africa, Madagascar. |
Distribution in Africa |
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Growth form |
Epiphytic. |
Literature |
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