- they germinate.
Microsporangia occur in all
vascular plants that have
heterosporic life cycles, such as seed plants,
spike mosses and the
aquatic fern genus...
- seem to be one of the many
precursors to seed
plants and the ovary.
Heterosporic plants that
produce seeds are
their most
successful and
widespread descendants...
-
plants which are at once heteromorphic, sporophytic, oogametic, dioicous,
heterosporic and dioecious, such as in a
willow tree (as most
species of the genus...
-
fertilized endospore as
sporophyte tissue. Some
believe it is neither. In
heterosporic plants,
there are two
distinct kinds of gametophytes.
Because the two...
- an egg to
produce an embryo,
which would germinate into a sporophyte.
Heterosporic plants, as
their name suggests, bear
spores of two sizes – microspores...
