Compilation
Blechnum serrulatum

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Name

Identification
Blechnum angustifolium Roxb. [family BLECHNACEAE ] Verified by Not on sheet, Blechnum serrulatum Rich. [family BLECHNACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Blechnum indet.
  • Blechnum indicum
  • Blechnum angustifolium
  • Blechnum serrulatum
  • Blechnum denticulatum
Common name
  • Swamp fern, Flora of North America Vol. 2
  • dentate midsorus fern, Flora of North America Vol. 2
  • marsh fern, Flora of North America Vol. 2

Flora

Entry for Blechnum serrulatum Richard [family BLECHNACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 2,
Names
Blechnum serrulatum Richard [family BLECHNACEAE], Actes Soc. Hist. Nat. Paris, 1: 114. 1792
Treatment Author(s)
Clifton E. Nauman
Information
Stems stout, horizontal and long-creeping, branched, partly erect at tip, rarely climbing tree trunks. Leaves ± monomorphic, widely spaced, erect to arching. Petiole dull yellow or grayish brown or light brown, 10-55 cm, finely scaly proximally. Blade broadly linear to elliptic-lanceolate, 1-pinnate throughout, with conform terminal pinnae, 25-70 × 5-28 cm, base truncate, glabrous. Rachis lacking indument abaxially. Pinnae articulate to rachis except for terminal pinna, subsessile to short-stalked; larger pinnae ± straight, linear to linear-elliptic or linear-lanceolate, 3-15 × 0.5-1.8 cm, fertile pinnae often slightly smaller and contracted; margins serrulate; costae with indument of scales abaxially. 2 n = 72.
Altitude range
0 m
Distribution
Central AmericaSouth America.USA Fla.
Discussion
Plants of Blechnum serrulatum occurring in open sun are often dwarfed and stiffly erect. Those occurring in brackish conditions or perennially flooded areas may become hemiepiphytes.

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