- and the ovules, are
located on
modified stem axes
forming compound ovuliferous cone scales.
Flowering plants contain microsporangia in the
anthers of...
- cone has two
types of scale: the
bract scales, and the seed
scales (or
ovuliferous scales), one
subtended by each
bract scale,
derived from a
highly modified...
- Adendorff, R., McLoughlin, S. & Bamford, M.K. 2002. A new
genus of
ovuliferous glossopterid fruits from
South Africa.
Palaeontologia africana, 38: 1-17...
- and fleshy, with one to
several ovules per scale. The
bract scale and
ovuliferous scale are
fused together except at the apex,
where the
bract scale is...
- core.
There is one
central undivided and two
lateral ovuliferous scale lobes, with each
ovuliferous scale bearing one or two seeds,
which are up to 11 by...
-
gymnosperms such as conifers,
ovules are
borne on the
surface of an
ovuliferous (ovule-bearing) scale,
usually within an
ovulate cone (also
called megastrobilus)...
-
bract scales,
while Wollemia and
Agathis both have
fully fused bracts,
ovuliferous scales, and
winged seeds.
Scrutiny of the
fossil record likewise does...
- conifer,
representing either fragmented pollen cones or axes
which bore
ovuliferous cone scales.
Other authors have
advanced similar criticisms, particularly...
-
Burton A
fossil species from the
Cretaceous of
Vancouver Island. "The
ovuliferous scale, when
viewed in
transverse section,
seems a
demonstrable case of...
-
informal groups, the
primitive "walchian conifers" like Walchia,
where the
ovuliferous cone is
composed of
radial shoots and the more
advanced "voltzian voltziales"...
