Browsing: P

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Papilledema

Swelling of the optic nerve that can be seen in the back of the eye with an opthalmoscope; it may…

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Proliferous buds

Adventitious buds on leaves, flowers, stems, peduncles or roots that are capable of rooting and forming independently living plants.

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Phytotelma

A water body produced by terrestrial plants, often a pitcher (Cephalotaceae, Nepenthaceae, Sarraceniaceae), bamboo internodes or tree hollows, formed by…

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Parietal placentation

A form of placentation (seed positions) for an ovary in which the ovules are attached to the inner surface of…

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Paraphyletic

A group in which the closest relatives of at least one member are excluded and placed in another group.

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Panboreal

Throughout the far northern temperate zones of the world.

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Palaeotropics

The tropics of the Old World: Africa, Asia, Australia and the Pacific.

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