Dictionary » F » Ferns



(Science: botany) An order of cryptogamous plants, the Filices, which have their fructification on the back of the fronds or leaves. They are usually found in humid soil, sometimes grow epiphytically on trees, and in tropical climates often attain a gigantic size.

The plants are asexual, and bear clustered sporangia, containing minute spores, which germinate and form prothalli, on which are borne the true organs of reproduction. The brake or bracken, the maidenhair, and the polypody are all well known ferns. Christmas fern. See christmas.

(Science: botany) Climbing fern The European goatsucker. The short-eared owl. Fern shaw, a fern thicket.

Origin: as. Fearn; akin to D. Varen, g. Farn, farnkraut; cf. Skr. Parna wing, feather, leaf, sort of plant, or lith. Papartis fern.

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Re: Pterydophyta

The Pteridophyta Divsion contains ferns. Ferns are plants with leaves, roots, and stems; but they do not have flowers like most plants. Ferns have special stems, called rhizomes, which grow sideways at the surface or underground. Many leaves ...

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by Anonymous
Sun Aug 04, 2013 12:52 pm
Forum: Botany Discussion
Topic: Pterydophyta
Replies: 30
Views: 26755

bryophytes >advanced than green algae; >primitive than ferns

why are bryophytes more advanced than green algae but more primitive than ferns? it's my tutorial essay question which complies 10 marks. i only have the points on: a) bryophytes are multicellular and green algae are unicellular b) bryophytes don't have vascular ...

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by alezcool93
Sun Dec 04, 2011 10:42 am
Forum: Botany Discussion
Topic: bryophytes >advanced than green algae; >primitive than ferns
Replies: 2
Views: 4295

help with Spider ID please

I found this spider Sept 20th will hiking in a shaded forest with ferns just outside of Victoria, BC, Canada. I walked though it's web and it almost land on me. It would estimate it's size to me about 1.5 inch diameter. IMG_0071.JPG I've this to a few people ...

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by clax
Mon Sep 20, 2010 7:27 pm
Forum: Zoology Discussion
Topic: help with Spider ID please
Replies: 1
Views: 1754

Kingdom Plante

... come under Sub-kingdom Cryptogamia (non-flowering plants) and they are non-vascular plants and have rhizoids instead of roots. Ferns come under the division Pteridophyta. Plant Kingdom is divided into Cryptogamia(non-flowering plants) and Phanerogamia(flowering plants). Again,Cryptogamia(non-flowering ...

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by sumita
Thu Sep 02, 2010 11:48 am
Forum: Botany Discussion
Topic: Kingdom Plante
Replies: 3
Views: 12262

Adaptations to life in water or plant?

In ferns, how are the cuticle and sporanga adapted to life on land? In mosses, how are capsule and protonema adapted to life on land? In gymnosperms, how are pollen cone, pollen grain, seed and seed cones adapted to life on ...

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by Bobby123456
Fri Jul 23, 2010 3:52 am
Forum: Botany Discussion
Topic: Adaptations to life in water or plant?
Replies: 0
Views: 2048
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