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• The most primitive plants have thallus body, more advanced is the shoot (unipolar) plant body, and most land plants have the bipolar plant body.... Bipolar
The shoot apical meristem and the primary meristems lie at the apex of the shoot give rise to the primary tissues of the stem. The shoot apical meristem produces
• Components of phloem: sieve tube cells, companion cells, phloem fibres (sclerenchyma), phloem parenchyma. • Sugars and other organic molecules and ions are transported through
LECTURE NOTES 4th
Normally equal proportion of secondary xylem are differentiated in all segments of the cambium ring on the inner side while the secondary phloem are formed towards
Vessels are seen in plenty (Trachea (vessel members)+tracheids+ fibre-tracheids, libriform fibre and wood-parenchyma.. It is porous in nature and is called
The types of venation are characteristic of different kinds of plants: for example, dicotyledons have netlike venation (=irregularly scattered, reticulate venation)
• For many species each bud has one or more protective external bud scales varying among species in size, number, shape, color, pubescence and arrangement, often resulting in
