leaf gap
plant anatomy
Also known as: lacuna
Learn about this topic in these articles:
angiosperms
- In angiosperm: Stems
…toward the leaf is a leaf gap, called a lacuna. The number of lacunae varies among angiosperm groups and remains a characteristic for classifying the various species.
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ferns
- In fern: Vascular tissues
…with parenchyma cells known as leaf gaps. There are, however, numerous “siphonostelic” ferns, in which the gaps do not overlap and a given section shows only one gap, and some “protostelic” ferns, in which no gaps at all are formed. Complex stelar patterns are known in some species, as in…
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