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Plant Structure (Chap. 29). Stem/Vascular Tissue. Xylem tracheids. vessel elements. Phloem. sieve elements. companion cells. Pith. Roots. root hair root cap root apical meristem. Leaves. Epidermis – Palisade mesophyll/parenchyma – bundle sheaths –
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Stem/Vascular Tissue Xylem • tracheids
Phloem • sieve elements
Roots • root hair • root cap • root apical meristem
Leaves • Epidermis – • Palisade mesophyll/parenchyma – • bundle sheaths – • spongy mesophyll/parenchyma – • stoma (pl. stomata) – • guard cells –