Mindblown: a blog about philosophy.
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Pinnate veins
With secondary veins along each side of the midrib, running parallel towards the leaf margin, like teeth of a comb, or sometimes re-joining to form a network.
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Pinnate leaf
A compound leaf with the separate leaflets arranged along central axis in a feather-like arrangement. The leaf-stalk, usually in opposite pairs, and often with a terminal leaflet as well.
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Perianth segments
The sepals and /or petals t hat make up the perianth of a flower (used mostly either w hen they are indistinguishable, or there is only one whorl).
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Parallel veins
Veins that remain± the same distance apart along much of the leaf, running from the leaf-base to its tip.
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Palmately-lobed leaf
A lobed leaf with the main veins all radiating from the t op of the stalk.
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Oval leaf
A leaf broadest in the middle and about twice as long as broad.
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Ovate leaf
A leaf with its broadest part above the middle, tapering suddenly to its± blunt tip, and more gradually to its base. A leaf± egg-shaped in outline, broadest at the base and about twice as long as broad. Oval in shape.
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Oblong leaf
A leaf about twice or three times as long as broad, and parallel-sided at least in the central part of the leaf-blade.
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Moor
An area of upland or montane vegetation dominated by heathers and on dry or damp soils.
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Marsh
An area of vegetation on wet ground on mineral soil (not on peat).
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