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Elaphoglossum pattersoniae : ウィキペディア英語版 | Elaphoglossum pattersoniae
''Elaphoglossum pattersoniae'' is a very rare species of fern that grows in Peru. It is very close to ''E. guamannianum'', but is smaller in size, its blade apex is acute-obtuse, it lacks dark arachnidoid scales on its abaxial costa and has fewer blade scales.〔Mickel, John T. "Three new species of Elaphoglossum from Peru." American fern journal 80.3 (1990): 110-112.〕 It is named after Juliet Patterson, a New York Botanical Garden collaborator. ==Description== Its rhizome is compact and horizontal; its scales linear and a lustrous red-brown in colour, about in size. Phyllopodia are present, with fasciculate fronds which are between long and between broad. Its scales are between . Its veins are at a 55-60° angle, and hydathodes are lacking.〔 Its costal scales are of an orange-tan colour and it lacks intersporangial scales.
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