- A
sporangium (from Late Latin, from
Ancient Gr**** σπορά (sporá) 'seed', and ἀγγεῖον (angeîon) 'vessel'); pl.: sporangia) is an
enclosure in
which spores...
- of
Marattia and Eupodium, and
synangia are
deeply cut. The name of the
genus derives from the
resemblance of the
synangia to
pearl barley. The king fern...
-
these enations there are
synangia formed by the
fusion of
three sporangia and
which produce the spores. When mature, the
synangia release yellow to whitish...
-
microsporophylls with
adaxial rows of
synangia. The
microsporophylls may host a
single linear row of
paired synangia, or
instead synangia arranged in a
pinnate (feather-shaped)...
-
small and
distinctive yellow balls called synangia (shown in the
picture of P.
nudum above).
These synangia are
located off the
stems of the plants. They...
- of
branches arra****
along axes, each
terminal branch bears one or many
synangia, each
composed by four,
partially fused,
pollen sacs. Elgorriaga, A.; Escapa...
- to the
South Pacific islands.
Species of
smaller stature with
elongate synangia and
creeping rhizomes are
sometimes segregated into the
genus Archangiopteris...
-
radially symmetrical synangia, with each pollen-sac
having a
longitudinal dehisence structure. Like the ovules, the
synangia were
attached to the underside...
-
sporangia that
formed regular clusters (
synangia). The
stratigraphically older lyginopteridaleans had
trusses of
synangia borne on
slender axes,
which were...
- time (occasionally two),
bearing awns
along veins, and
having stalked synangia (clusters of
sporangia that have
become fused in development). However...
