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MARSILEA

integument megaspores enclosed indehiscent megasporangium

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?<br />

INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORANGIUM<br />

MICROSPORANGIUM<br />

SPOROCARP<br />

L.S.<br />

<strong>MARSILEA</strong>


INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORANGIUM<br />

MICROSPORANGIUM<br />

SPOROCARP<br />

L.S.<br />

? SPOROCARP <strong>MARSILEA</strong>


P<br />

INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORANGIUM<br />

MICROSPORANGIUM<br />

PERFECT SPOROCARP<br />

SPOROCARP<br />

L.S.<br />

<strong>MARSILEA</strong>


PERFECT<br />

SPOROCARP


INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORANGIUM<br />

MICROSPORANGIUM<br />

PERFECT SPOROCARP<br />

SPOROCARP<br />

L.S.<br />

<strong>MARSILEA</strong>


SPOROCARP<br />

“GERMINATION”<br />

SOROPHORE<br />

SPOROCARP<br />

LEPTOSPORANGIA<br />

<strong>MARSILEA</strong>


SPOROCARP<br />

“GERMINATION”<br />

S<br />

SOROPHORE<br />

SPOROCARP<br />

LEPTOSPORANGIA<br />

<strong>MARSILEA</strong>


SOROPHORE<br />

+


SPOROCARP<br />

“GERMINATION”<br />

SOROPHORE<br />

SPOROCARP<br />

LEPTOSPORANGIA<br />

<strong>MARSILEA</strong>


SPORE HABIT


INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORANGIUM<br />

MICROSPORANGIUM<br />

SPOROCARP<br />

L.S.<br />

<strong>MARSILEA</strong>


INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORES<br />

MICROSPORES<br />

SPOROCARP<br />

L.S.<br />

<strong>MARSILEA</strong>


INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORES<br />

MICROSPORES<br />

HETEROSPOROUS<br />

SPOROCARP<br />

L.S.<br />

<strong>MARSILEA</strong>


<strong>MARSILEA</strong>LES<br />

LIFE CYCLE<br />

MITOSIS<br />

ZYGOTE 2N<br />

SYNGAMY<br />

SPOROPHYTE<br />

SPOROPHYTE<br />

2N PHASE<br />

2N 2N PHASE<br />

2N PHASE<br />

SPORE MULTICELLULAR<br />

MULTICELLULAR<br />

PHASE<br />

SPORE<br />

SPORE PRODUCING PRODUCING PHASE<br />

PHASE<br />

SPOROCYTES 2N<br />

MEIOSIS<br />

GAMETE<br />

SPERM<br />

1N<br />

GAMETE<br />

EGG<br />

1N<br />

SPORES 1N<br />

MITOSIS<br />

GAMETOCYTES 1N<br />

GAMETOPHYTE<br />

1N PHASE<br />

MULTICELLULAR<br />

GAMETE PRODUCING PHASE<br />

MITOSIS


GAMETOPHYTE<br />

CHARACTERS


INDUSIUM<br />

PINNA WALL<br />

GELATINOUS<br />

TISSUE<br />

MEGASPORES<br />

MICROSPORES<br />

HETEROSPOROUS<br />

SPOROCARP<br />

L.S.<br />

<strong>MARSILEA</strong>


GAMETOPHYTE<br />

ENDOSPORIC


RHIZOIDS<br />

ZYGOTE<br />

ARCHEGONIUM<br />

<strong>MARSILEA</strong><br />

EMBRYO<br />

MEGASPORE<br />

MEGAGAMETOPHYTE<br />

ENDOSPORIC<br />

MICROSPORE<br />

GAMETOPHYTE<br />

ENDOSPORIC<br />

MICROGAMETOPHYTE<br />

SPERM


RHIZOIDS<br />

ZYGOTE<br />

ARCHEGONIUM<br />

<strong>MARSILEA</strong><br />

EMBRYO<br />

MEGASPORE<br />

MEGAGAMETOPHYTE<br />

MEGASPORE WALL<br />

MICROSPORE<br />

GAMETOPHYTE<br />

MICROSPORE WALL<br />

MICROGAMETOPHYTE<br />

SPERM


RHIZOIDS<br />

ZYGOTE<br />

ARCHEGONIUM<br />

<strong>MARSILEA</strong><br />

EMBRYO<br />

MEGASPORE<br />

MEGAGAMETOPHYTE<br />

NON-PSYN<br />

MICROSPORE<br />

GAMETOPHYTE<br />

NON-PSYN<br />

MICROGAMETOPHYTE<br />

SPERM


RHIZOIDS<br />

ZYGOTE<br />

ARCHEGONIUM<br />

<strong>MARSILEA</strong><br />

EMBRYO<br />

MEGASPORE<br />

MEGAGAMETOPHYTE<br />

MEGASPORE WALL<br />

MICROSPORE<br />

GAMETOPHYTE<br />

MICROSPORE WALL<br />

MICROGAMETOPHYTE<br />

SPERM


RHIZOIDS<br />

ZYGOTE<br />

ARCHEGONIUM<br />

<strong>MARSILEA</strong><br />

EMBRYO<br />

MEGASPORE<br />

MEGAGAMETOPHYTE<br />

MYCORRHIZAE ABSENT<br />

MICROSPORE<br />

GAMETOPHYTE<br />

MYCORRHIZAE ABSENT<br />

MICROGAMETOPHYTE<br />

SPERM


RHIZOIDS<br />

ZYGOTE<br />

ARCHEGONIUM<br />

<strong>MARSILEA</strong><br />

EMBRYO<br />

MEGASPORE<br />

MEGAGAMETOPHYTE<br />

ENDOSPORIC<br />

MICROSPORE<br />

GAMETOPHYTE<br />

ENDOSPORIC<br />

MICROGAMETOPHYTE<br />

SPERM


RHIZOIDS<br />

ZYGOTE<br />

ARCHEGONIUM<br />

<strong>MARSILEA</strong><br />

EMBRYO<br />

MEGASPORE<br />

MEGAGAMETOPHYTE<br />

UNISEXUAL<br />

MICROSPORE<br />

GAMETOPHYTE<br />

UNISEXUAL<br />

MICROGAMETOPHYTE<br />

ANTHERIDIUM<br />

SPERM


<strong>MARSILEA</strong>LES<br />

LIFE CYCLE<br />

MITOSIS<br />

ZYGOTE 2N<br />

SYNGAMY<br />

SPOROPHYTE<br />

SPOROPHYTE<br />

2N PHASE<br />

2N 2N PHASE<br />

2N PHASE<br />

SPORE MULTICELLULAR<br />

MULTICELLULAR<br />

PHASE<br />

SPORE<br />

SPORE PRODUCING PRODUCING PHASE<br />

PHASE<br />

SPOROCYTES 2N<br />

MEIOSIS<br />

GAMETE<br />

SPERM<br />

1N<br />

GAMETE<br />

EGG<br />

1N<br />

SPORES 1N<br />

MITOSIS<br />

GAMETOCYTES 1N<br />

GAMETOPHYTE<br />

1N PHASE<br />

MULTICELLULAR<br />

GAMETE PRODUCING PHASE<br />

MITOSIS


PTERIDOPHYTA<br />

CLASSIFICATION


SALVINIALES


COMMON NAME


WATER FERNS


DIVERSITY


~17 SPECIES<br />

EARTH


2 SPECIES


SALVINIALES<br />

VERY MINOR<br />

COMPONENT<br />

ALABAMA FLORA


REPRESENTATIVE<br />

GENERA


SALVINIA


AZOLLA


HABITAT


AQUATIC HABITAT


GENERAL<br />

CHARACTERS


SALVINIALES<br />

LIFE CYCLE<br />

MITOSIS<br />

SPOROCYTES 2N<br />

ZYGOTE 2N<br />

SYNGAMY<br />

SPOROPHYTE<br />

2N PHASE<br />

MULTICELLULAR<br />

SPORE PRODUCING PHASE<br />

MEIOSIS<br />

GAMETE<br />

SPERM<br />

1N<br />

GAMETE<br />

EGG<br />

1N<br />

SPORES 1N<br />

MITOSIS<br />

GAMETOCYTES 1N<br />

GAMETOPHYTE<br />

1N PHASE<br />

MULTICELLULAR<br />

GAMETE PRODUCING PHASE<br />

MITOSIS


SPOROPHYTE<br />

CHARACTERS


GROWTH HABIT


ROOTED LITTORAL<br />

<strong>MARSILEA</strong>


FREE FLOATING<br />

SALVINIA


FREE FLOATING<br />

AZOLLA


MORPHOLOGY


SALVINIA<br />

AZOLLA


ATYPICAL<br />

FERN<br />

MORPHOLOGY<br />

ATYPICAL<br />

FERN<br />

MORPHOLOGY<br />

SALVINIA<br />

AZOLLA


MORPHOLOGY<br />

NOT<br />

FERN-LKE<br />

MORPHOLOGY<br />

NOT<br />

FERN-LKE<br />

SALVINIA<br />

AZOLLA


FROND


PHYLLOTAXY


SALVINIA


SALVINIA<br />

WHORLED


AZOLLA


AZOLLA<br />

ALTERNATE


MORPHOLOGY


SIMPLE FROND<br />

SALVINIA


SIMPLE FROND<br />

AZOLLA


MODIFIED<br />

FROND


SALVINIA<br />

NON-MODIFIED PSYN FROND


MODIFIED FROND<br />

SALVINIA<br />

NON-MODIFIED PSYN FROND


MODIFIED FILIFORM FROND<br />

SALVINIA<br />

NON-MODIFIED PSYN FROND


NON-PHOTOSYNTHETIC<br />

SALVINIA<br />

NON-MODIFIED PSYN FROND


ROOT-LIKE<br />

SALVINIA<br />

NON-MODIFIED PSYN FROND


ABSORB<br />

WATER & NUTRIENTS<br />

SALVINIA<br />

NON-MODIFIED PSYN FROND


AZOLLA


AZOLLA


?<br />

ANABAENA<br />

AZOLLA


?<br />

?<br />

ANABAENA<br />

AZOLLA


HETEROCYSTS<br />

ANABAENA<br />

AZOLLA


N2 FIXATION<br />

ANABAENA<br />

AZOLLA


SPORANGIUM


CELL INITIAL<br />

SPORANGIUM<br />

WALL<br />

SPOROCYTES<br />

SMALL SIZE<br />

ANNULUS<br />

THIN WALL<br />

SPORANGIUM<br />

STALK<br />

STOMIUM<br />

TAPETUM<br />

FEW SPORES<br />

STALK<br />

L.S.


CELL INITIAL<br />

SPORANGIUM<br />

WALL<br />

SPOROCYTES<br />

SMALL SIZE<br />

ANNULUS<br />

THIN WALL<br />

SPORANGIUM<br />

STALK<br />

STOMIUM<br />

TAPETUM<br />

FEW SPORES<br />

LEPTOSPORANGIUM<br />

STALK<br />

L.S.


SPORANGIUM<br />

POSITION


FOLIAR SPORANGIUM<br />

?<br />

SALVINIA


FOLIAR SPORANGIUM<br />

AZOLLA


L.S.<br />

?<br />

SALVINIA


L.S.<br />

SPOROCARP<br />

SALVINIA


SPOROCARP


SPOROCARP


SPOROCARP MODIFIED PINNA<br />

SOROPHORE<br />

SPOROCARP<br />

SPORANGIA<br />

<strong>MARSILEA</strong>


L.S.<br />

SPOROCARP<br />

SALVINIA


L.S.<br />

SPOROCARP<br />

MODIFIED<br />

INDUSIUM<br />

SALVINIA


SALVINIA<br />

L.S.<br />

SORUS<br />

LEPTOSPORANGIUM<br />

LEPTOSPORANGIUM<br />

INDUSIUM


L.S.<br />

LEPTOSPORANGIUM<br />

INDUSIUM


L.S.<br />

SPOROCARP<br />

ENCLOSED<br />

SPORANGIA<br />

SALVINIA


L.S.<br />

SPOROCARP<br />

DROUGHT<br />

RESISTANT<br />

SALVINIA


L.S.<br />

SPOROCARP<br />

“GERMINATES”<br />

SALVINIA


?<br />

SPOROCARP<br />

STRUCTURE


L.S.<br />

SPOROCARP<br />

SALVINIA<br />

?


L.S.<br />

SPOROCARP<br />

?<br />

SALVINIA<br />

INDUSIUM WALL


L.S.<br />

SPOROCARP<br />

MICROSP?RANGIA<br />

SALVINIA<br />

INDUSIUM WALL


L.S.<br />

SPOROCARP<br />

?<br />

MICROSPORANGIA<br />

SALVINIA<br />

INDUSIUM WALL


L.S.<br />

SPOROCARP<br />

MICROSPORANGIA<br />

? SPOROCARP<br />

SALVINIA<br />

INDUSIUM WALL


L.S.<br />

SPOROCARP<br />

I<br />

MICROSPORANGIA<br />

IMPERFECT SPOROCARP<br />

SALVINIA<br />

INDUSIUM WALL


IMPERFECT<br />

SPOROCARP


SPOROCARP MODIFIED PINNA<br />

SOROPHORE<br />

SPOROCARP<br />

SPORANGIA<br />

<strong>MARSILEA</strong>


SPOROCARP MODIFIED PINNA<br />

SOROPHORE ABSENT<br />

SPOROCARP<br />

SPORANGIA<br />

SALVINIA

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