Anatomy of Flowering Plants

Question

Pith is absent in

  • protostele

  • eustele

  • amphiphloic stele

  • ectophloic stele

Answer

A.

protostele

Protostele is simplest and most primitive type of stele, in which, vascular cylinder consists of solid core of xylem surrounded by phloem, pericycle and endodermis. There is no pith.

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