Category: P
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Pneumathodes
Aerating tissues or pores.
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Pluriseriate
Having several rows.
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Pluriovulate
(Of placentae, carpels or ovaries) with many ovules.
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Plurilocular
With several locules.
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Plurilobate
With many lobes.
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Pluricipital
Many-headed, as in a rootcrown or a branched swollen stem [unusual term, not recommended].
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Plumulose
A little plumose [unusual term].
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Plumule
The shoot bud of the embryo. The primary bud of an embryo or germinating seed.
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Plumose
Softly feathered; Like bristles which have fine hairs or cell ends on each side, wider than the axis itself; Stearn (1973) defines this very precisely as having the free cell ends at least three times as long as the seta rachis is wide.
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Ploidy levels
Relating to the number of chromosome sets.