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Words near each other
・ Polystachya farinosa
・ Polystachya geniculata
・ Polystachya kupensis
・ Polystachya laxiflora
・ Polystachya maculata
・ Polystachya puberula
・ Polystachya subdiphylla
・ Polystachya superposita
・ Polystachya victoriae
・ Polystachyinae
・ Polystannane
・ Polystation
・ Polystemma
・ Polystemonanthus
・ Polysternon
Polystichum
・ Polystichum acrostichoides
・ Polystichum aculeatum
・ Polystichum aleuticum
・ Polystichum bonapartii
・ Polystichum bulbiferum
・ Polystichum calderonense
・ Polystichum californicum
・ Polystichum dudleyi
・ Polystichum imbricans
・ Polystichum kruckebergii
・ Polystichum lemmonii
・ Polystichum lonchitis
・ Polystichum mohrioides
・ Polystichum moorei


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Polystichum : ウィキペディア英語版
Polystichum

''Polystichum'' is a genus of about 260 species of ferns with a cosmopolitan distribution. The highest diversity is in eastern Asia, with about 120 species in China alone; the region from Mexico to Brazil has nearly 100 additional species; Africa (17 species), North America (15 species), and Europe (5 species) have much lower diversity. ''Polystichum'' species are terrestrial or rock-dwelling ferns of warm-temperate and montane-tropical regions (a few species grow in alpine regions).
==Description==

Many ferns of this genus have stout, slowly creeping rootstocks that form a crown, with a vase-like ring of evergreen fronds long. The sori are round, with a circular indusium. The stipes have prominent scales. The genus differs from ''Dryopteris'' in the indusium being circular, not reniform, and in having stronger, more persistent fronds with a harder, somewhat rough, texture.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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