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Acacia myrtifolia (Phyllodineae, sub-tropical region), normal and gelatinous fibres in transverse section (TS). (A) LH64. Most fibres thin to thick walled with prominent lumina, some with gelatinous inner walls. (B) All fibres thick to very thick walled with gelatinous inner walls and hardly any lumen. Scale bars = 100 μm.
