- The
ligule appears to be a
continuation of the leaf
sheath and
encircles or
clasps the stem as does the leaf sheath. The
three basic types of
ligules are:...
- 5+0
scheme – all five
petals form the
ligule. A 4+1
scheme is
found in the Barnadesioideae. The tip of the
ligule is
often divided into teeth, each one...
- size of the
upper ligules on the
notopodia of the
posterior region of the body. The
upper ligules are much
larger than the
lower ligules. It is also without...
-
about four or five
broad white ray
florets (
ligules),
surrounding many
tubular yellow disc
florets without ligules that
develop into
barbed fruits. The fruits...
- (3⁄4 in) across,
borne in lax corymbs. The outer, ray
florets have
white ligules and the inner, disc
florets are
yellow and tubular. It
spreads rapidly...
-
which resemble petals, are
called ray flowers. Each "petal"
consists of a
ligule composed of
fused petals of an
asymmetrical ray flower. They are ****ually...
- leaf
sheaths are tubular, with flat
margins glabrous on
their surface.
Ligules are an
eciliate membrane. The leaf
blades are filiform, conduplicate, and...
- sword-shaped leaf blades,
parallel veins with a
prominent mid-rib, and
small ligules. The
plant has an adventitious, dense,
fibrous root
system that develops...
-
triangular impression known as the "ligular pit" for its
similarities to the
ligule of Isoetes. In some leaf-cushions a
second depression was
present above...
- are
however the most numerous,
often with
black spots at the base of the
ligules. The
fruit is an achene,
containing several seeds. Well
adapted to the...