Biology, asked by smehrooq, 4 months ago

discusd the evolution of stellar system in pteridophytes

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Answered by aadil1290

3

Stele is the central cylinder or core of vascular tissue in higher plants and Pteridophytes. It consists of xylem, phloem, pericycle and medullary rays and pith if present. Van Tieghem and Douliot (1886) introduced this term and put forward the stelar theory. ...

Answered by mohtasemanaaz

0

Stele is the central cylinder or core of vascular tissue in higher plants and Pteridophytes. It consists of xylem, phloem, pericycle and medullary rays and pith if present. Van Tieghem and Douliot (1886) introduced this term and put forward the stelar theory.

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