| Text | Phloem fibres (bast fibres) are made up of
sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem. These are much elongated, unbranched and have pointed, needle like apices. The cell wall of phloem fibres is quite thick. At maturity, these fibres lose their protoplasm and become dead. Phloem fibres of jute, flax and hemp are used commercially |
|---|---|
| Extra | Jute Corchorus olitorius Hemp Cannabis sativa Flax Linum usitatissimum |
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