a genus of ferns belonging to the family Dennstaedtiaceae
Syn: ↑genus Pteridium
Hypernyms: ↑fern genus
Member Holonyms: ↑Dennstaedtiaceae, ↑family Dennstaedtiaceae
Member Meronyms: ↑bracken, ↑pasture brake, ↑brake, ↑Pteridium aquilinum, ↑Pteridium esculentum

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\\təˈridēəm, teˈr-\ noun
Usage: capitalized
Etymology: New Latin, from Pterid-, Pteris + -ium
: a genus of ferns that are related to and sometimes included in Pteris and that have in addition to the false indusium formed by the frond margin a true indusium on the inner side of the sori — see bracken

Useful english dictionary. 2012.

Look at other dictionaries:

  • Pteridium — Saltar a navegación, búsqueda ? Pteridium Clasificación científica …   Wikipedia Español

  • Pteridium — Pteridium …   Wikipédia en Français

  • ptéridium — ● ptéridium nom masculin Nom générique actuel de la fougère dite « grand aigle » à cause de l aspect du pétiole coupé. (Cette fougère rhizomateuse abonde sur les sols acides et forestiers.) …   Encyclopédie Universelle

  • Pteridium —   [zu griechisch ptéris »Farnkraut«], Gattung der Adlerfarngewächse mit der einzigen Art Adlerfarn …   Universal-Lexikon

  • Pteridium — Pteridium …   Wikipédia en Français

  • Pteridium — Adlerfarne Adlerfarn (Pteridium aquilinum) Systematik Unterreich: Gefäßpflanzen (Tracheobionta) …   Deutsch Wikipedia

  • Pteridium — ID 68892 Symbol Key PTERI Common Name brackenfern Family Dennstaedtiaceae Category Fern Division Pteridophyta US Nativity N/A US/NA Plant Yes State Distribution AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD,… …   USDA Plant Characteristics

  • Pteridium — Pte·ri·di·um (tə ridґe əm) a genus of ferns. P. aquiliґnum L. Kuhn (Polypodiaґceae) is the bracken. See also bracken poisoning, under poisoning …   Medical dictionary

  • pteridium — pte·rid·i·um …   English syllables

  • pteridium —   n. (pl. ia) bracken.    ♦ pteridography, n. description of ferns.    ♦ pteridology, n. study of ferns.    ♦ pteridophyte, n. fern …   Dictionary of difficult words

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