"Seedless Vascular Plants": Monilophytes: Leptosporangiate Ferns

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9 Terms

1

Traits of Azolleceae (Salviniales)

  1. Fan shaped, two lobed leaves; floating

  2. Roots pendant and stems forked; submerged

  3. Heterosporous

<ol><li><p>Fan shaped, two lobed leaves; floating</p></li><li><p>Roots pendant and stems forked; submerged</p></li><li><p>Heterosporous</p></li></ol>
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2

What families are in the order Salviniales?

  1. Azolleceae

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3

What families are in the order Polypodiales?

  1. Dennstaedtiaceae

  2. Pteridaceae: Adiantum

  3. Dryopteridaceae

  4. Polypodiaceae

  5. Blechnaceae

  6. Athyriaceae

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4

Traits of Dennstaedtiaceae (Polypodiales)

  1. Petiole strongly grooved on upper surface

  2. Rhizome and base of petiole covered in felt-like hairs

  3. False indusium

<ol><li><p>Petiole strongly grooved on upper surface</p></li><li><p>Rhizome and base of petiole covered in felt-like hairs</p></li><li><p>False indusium</p></li></ol>
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5

Traits of Pteridaceae

  1. Wiry, thin, dark petioles

  2. False indusia

  3. May have nom-aggregated sporangis

  4. May have dissimilar vegetative and reproductive leaves

<ol><li><p>Wiry, thin, dark petioles</p></li><li><p>False indusia</p></li><li><p>May have nom-aggregated sporangis</p></li><li><p>May have dissimilar vegetative and reproductive leaves</p></li></ol>
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6

Traits of Dryopteridaceae

  1. Sporangia in round sori

  2. Indusia ventrally attached

<ol><li><p>Sporangia in round sori</p></li><li><p>Indusia ventrally attached </p></li></ol>
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7

Traits of Polypodiaceae

  1. Leaves simple and deeply pinnately lobed

  2. No indusia on sori

<ol><li><p>Leaves simple and deeply pinnately lobed</p></li><li><p>No indusia on sori</p></li></ol>
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8

Traits of Blechnaceae

  1. Leaves deeply pinnately lobed or once pinnately compound with lobed leaflets

  2. Oblong sori in end to end rows with laterally attached oblong indusia

<ol><li><p>Leaves deeply pinnately lobed or once pinnately compound with lobed leaflets</p></li><li><p>Oblong sori in end to end rows with laterally attached oblong indusia</p></li></ol>
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9

Traits of Aythriaceae

  1. 1-3 pinnate blades

  2. Sori with either no indusia or reniform indusia laterally attached

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