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biseriate

Biseriate is an adjective used in biology, particularly botany, to describe a structure that is arranged in two parallel rows or series. The term derives from Latin bis, meaning twice, and seriatus, meaning in a row or rank.

In plant morphology, biseriate is applied to tissues or organs that occur in two opposed ranks. A

The use of biseriate is largely descriptive and descriptive terminology in plant anatomy, tissue organization, and

In other contexts, biseriate can be used more generally to indicate any two-row configuration in biology, though

See also: uniseriate, multiseriate.

common
context
is
the
presence
of
two
rows
of
cells
or
structures
in
a
surface
or
appendage.
For
example,
biseriate
trichomes
are
plant
hairs
composed
of
two
tiers
of
cells;
similarly,
some
floral
or
foliar
structures
may
show
two
aligned
rows
of
scales,
bracts,
or
other
elements.
The
term
helps
distinguish
such
two-row
arrangements
from
uniseriate
(one
row)
or
multiseriate
(more
than
two
rows)
patterns.
related
fields.
It
provides
a
precise
way
to
convey
the
spatial
arrangement
of
small
cellular
or
structural
units,
which
can
be
important
for
accurate
identification
and
comparison
across
species.
it
is
most
commonly
encountered
in
botanical
descriptions
of
surfaces,
hairs,
and
kernel
or
scale
arrangements.