St Helena Tree Fern

Dicksonia arborescens L'Herit.

Dicksonia arborescens (St Helena Tree Fern) is a species of herb. They have bipinnate leaves. They have alternation of generations.

URI: http://purl.obolibrary.org/obo/FLOPO_0022142
Definition: whole plant herbaceous

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URI: https://www.wikidata.org/entity/Q25039724
Definition: pinnately compound leaves in which the leaflets are themselves pinnately compound; also called twice-pinnate

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URI: http://eol.org/schema/terms/alternatingReproduction
Definition: Organisms with a life cycle that features alternation of generations with sexual and asexual reproduction.

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EOL has data for 7 attributes, including:

habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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terrestrial
- URI: http://purl.obolibrary.org/obo/ENVO_00000446
- Definition: A biome that applies to the terrestrial realm.
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leaf arrangement
- URI: http://purl.obolibrary.org/obo/TO_0006014
- Definition: phyllotaxy. A leaf morphology trait (TO:0000748) which is the arrangement of the leaves on the shoot of a plant.
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close/approximate
- URI: http://eol.org/schema/terms/close
- Definition: borne close together, but not fused
- Attribution: https://biolwww.usask.ca/rareplants_sk/root/htm/en/researcher/5_gloss.php#R
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Leaf Complexity
- URI: http://purl.obolibrary.org/obo/FLOPO_0007484
- Definition: whether a leaf is intricate or compounded
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bipinnate + pinnatifid
- URI: http://eol.org/schema/terms/bipinnatepinnatifid
- Definition: a bipinnately compound leaf, with the pinnae being pinnatifid.
- Attribution: https://en.wikipedia.org/wiki/Pinnation
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leaf venation structure
- URI: http://purl.obolibrary.org/obo/FLOPO_0008074
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parallel/free (leaf veins)
- URI: http://eol.org/schema/terms/freevein
- Definition: veins run parallel and equidistant to each other for most of the length of the leaf; they may converge or fuse (anastomose) towards the apex
- Attribution: https://en.wikipedia.org/wiki/Leaf#Veins
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plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
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herb
- URI: http://purl.obolibrary.org/obo/FLOPO_0022142
- Definition: whole plant herbaceous
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reproduction
- URI: http://purl.obolibrary.org/obo/GO_0000003
- Definition: The production of new individuals that contain some portion of genetic material inherited from one or more parent organisms
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alternation of generations
- URI: http://eol.org/schema/terms/alternatingReproduction
- Definition: Organisms with a life cycle that features alternation of generations with sexual and asexual reproduction.
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spore arrangement
- URI: http://eol.org/schema/terms/sporeArrangement
- Definition: The important feature of homospory is the four fold division involved in spore production, this takes the form of either a tetrahedra which gives a trilete (Y shaped scar) spore or a tetragon which gives a monolete (single linear scar) spore.
- Attribution: https://www.ucl.ac.uk/GeolSci/micropal/spore.html
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trilete
- URI: http://eol.org/schema/terms/trilete
- Definition: spores bearing a Y shaped scar, indicating that they were arranged in a tetrahedral spore tetrad
- Attribution: https://www.ucl.ac.uk/GeolSci/micropal/spore.html
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