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(1) Determinate growth
[ Botany -
Biology ]
Adverb: Determinately
Noun: Determinateness |
Dictionary of botanic terminology
index of names |
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In
biology determinate growth
means not continuing to grow
indefinitely. Determinate growth describe a more or less rapid growth to
a mature conclusive size, with no
growth thereafter like in the animals
and leaves that stop growing at the
reaching of the adult final condition |
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Most
plant
structure (like
leaves,
flowers,
fruit,
seed, and a lot of other
organs too) have a determinate, limited
growth whit a definite final shape. That is they are
genetically programmed to expand
for a limited time to the reach of a certain size, then stop
growing.
This determinate growth is in stark contrast to the indeterminate
(virtually unlimited) growth of roots
and stems, which have not a precisely
established limit of growth fixed in advance (indeterminate
growth).
Some exception regards – for example - the determinate growth pattern of
segmented
stem of certain
cactus and the determined growth of
root in many
monocotyledons.
[from Latin "determinatus", past participle of the verb
"determinare", to determine) |
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(2)
Determinate inflorescence (Synonym:
Cymose)
[ Botany ] |
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An
determinate inflorescence or cymose is type of
inflorescence terminating in
a flower and
blossoming in a sequence beginning
with the uppermost or central flower; hence cymose means not continuing
indefinitely at the tip of an axis,
having a determinate growth |
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