Definition of cotyle
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Lern More About Cotyle
Endogen ::
Endogen (n.) A plant which
increases in size by
internal growth and
elongation at the
summit, having the wood in the form of
bundles or
threads, irregularly distributed throughout the whole
diameter, not
forming annual layers, and with no
distinct pith. The
leaves of the
endogens have,
usually, parallel veins, their
flowers are
mostly in
three, or some
multiple of
three, parts, and their
embryos have but a
single cotyledon, with the first
leaves alternate. The
endogens constitute one of the grea
Exogen ::
Exogen (n.) A plant
belonging to one of the
greater part of the
vegetable kingdom, and which the
plants are
characterized by
having c wood bark, and pith, the wood
forming a layer
between the other two, and
increasing, if at all, by the
animal addition of a new layer to the
outside next to the bark. The
leaves are
commonly netted-veined, and the
number of
cotyledons is two, or, very
rarely, several in a
whorl. Cf.
Endogen..