- the
timing of **** differentiation. Four
extant groups of
plants are
heterosporous; Selaginella, Isoetes,
Salviniales and seed plants.
Heterospory evolved...
-
homosporous (or isosporous) or
heterosporous.
Plants that are
homosporous produce spores of the same size and type.
Heterosporous plants, such as seed plants...
- Lepidodendrales, and ferns, such as the
Marsileaceae and
Salviniaceae are
heterosporous (two
kinds of
spores are produced).: 18
These plants produce both microspores...
-
specialized into
separate male and
female organisms (dioicous). In
heterosporous vascular plants (plants that
produce both
microspores and megaspores)...
-
bears sporangia. Both
microphylls and
megaphylls can be sporophylls. In
heterosporous plants,
sporophylls (whether they are
microphylls or megaphylls) bear...
- Megaspores, also
called macrospores, are a type of
spore that is
present in
heterosporous plants.
These plants have two
spore types,
megaspores and microspores...
-
reproduction of the
individual and the species. All
flowering plants are
heterosporous, that is,
every individual plant produces two
types of spores. Microspores...
-
Marsileaceae (/mɑːrˌsɪliˈeɪsi.iː/) is a
small family of
heterosporous aquatic and semi-aquatic ferns,
though at
first sight they do not
physically resemble...
- (gamete-bearing phase) is
relatively short-lived. Like all seed plants, they are
heterosporous,
having two
spore types,
microspores (male)
produced in microsporangium...
-
Salviniaceae (/sælˌvɪniˈeɪsiˌiː/), is a
family of
heterosporous ferns in the
order Salviniales. The
Salviniaceae contain the two
genera Azolla and Salvinia...
