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Key to families | Table of families and genera
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Plants in soil [climbing]; rhizome short- to long-creeping to erect, scaly; new growth often ± red. Leaf: of 1 or 2 kinds, fertile, sterile; stipe in ×-section with vascular strands in circle; blade [(simple or 2-pinnate)] deeply pinnately lobed to 1-pinnate, pinnae deeply pinnately lobed or not, hairs generally 0; veins free or netted. Sporangia: sori linear to oblong, along veins parallel to nearest midrib; indusium shaped ± like sorus, opening towards nearest midrib; stalk cells in 2–3 rows; spores elliptic, scar linear.
± 9 genera, ± 250 species: worldwide, especially tropics; several species cultivated. New classification badly needed, in which all genera but Woodwardia are placed under Blechnum or, preferably, ± 25 genera, including ± 10 new ones, are recognized. —Scientific Editors: Alan R. Smith, Thomas J. Rosatti.
Key to Blechnaceae
Rhizome suberect [or long-creeping, climbing, or erect]. Leaf: of [± 1] or 2 kinds, fertile > sterile, with much narrower pinnae or lobes; lower pinnae reduced or not; veins of sterile leaves free.
> 200 species: worldwide, especially tropics, subtropics. (Greek: ancient name for ferns)
Unabridged note: Not monophyletic. Reclassification needed, in which Blechnum spicant probably will be treated in Struthiopteris.
Previous taxon: Blechnaceae
Next taxon: Blechnum spicant
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 24 2015
Citation for this treatment: [Author of taxon treatment] 2013. Blechnum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10329, accessed on Nov 24 2015
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