genus Rhynia

noun
type genus of the Rhyniaceae; small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes
Syn: ↑Rhynia
Hypernyms: ↑fern genus
Member Holonyms: ↑Rhyniaceae, ↑family Rhyniaceae

Useful english dictionary. 2012.

Look at other dictionaries:

  • Rhynia — Taxobox fossil range = Early Devonian image caption = Reconstruction of Rhynia gwynne vaughanii , redrawn afterP. Kenrick, P.R. Crane (1997) The origin and early diversification of land plants. A cladistic study. Smithsonian Institution Press,… …   Wikipedia

  • Rhynia — noun type genus of the Rhyniaceae; small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes • Syn: ↑genus Rhynia • Hypernyms: ↑fern genus • Member Holonyms: ↑Rhyniaceae, ↑family Rhyniaceae * * * …   Useful english dictionary

  • genus Horneophyton — noun Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller • Syn: ↑Horneophyton • Hypernyms: ↑fern genus • Member Holonyms: ↑Rhyniaceae, ↑family Rhyniaceae …   Useful english dictionary

  • fern genus — noun genera of ferns and fern allies • Hypernyms: ↑genus • Hyponyms: ↑genus Pecopteris, ↑Hymenophyllum, ↑genus Hymenophyllum, ↑Trichomanes, ↑genus Trichomanes, ↑genus Osmun …   Useful english dictionary

  • Rhyniaceae — noun primitive plants of the Paleozoic • Syn: ↑family Rhyniaceae • Hypernyms: ↑fern family • Member Holonyms: ↑Psilophytales, ↑order Psilophytales • Member Meronyms: ↑ …   Useful english dictionary

  • Horneophyton — noun Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller • Syn: ↑genus Horneophyton • Hypernyms: ↑fern genus • Member Holonyms: ↑Rhyniaceae, ↑family Rhyniaceae * * * ˈ …   Useful english dictionary

  • family Rhyniaceae — noun primitive plants of the Paleozoic • Syn: ↑Rhyniaceae • Hypernyms: ↑fern family • Member Holonyms: ↑Psilophytales, ↑order Psilophytales • Member Meronyms: ↑ …   Useful english dictionary

  • Horneophyton — n. A genus of Devonian fossil plants considered one of the earliest forms of vascular land plants; it is similar to genus {Rhynia} but smaller. Syn: genus {Horneophyton}. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • Aglaophyton — Taxobox fossil range = Early Devonian image caption = Reconstruction of Aglaophyton , illustrating bifurcating axes with terminal sporangia, and rhizoids. regnum = Plantae divisio = unspecified classis = unspecified ordo = unspecified familia =… …   Wikipedia

  • community ecology — Introduction       study of the organization and functioning of communities (community), which are assemblages of interacting populations of the species living within a particular area or habitat.       As populations of species interact with one …   Universalium

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