Aerenchyma Collection

Soft rush stem, light micrograph
Soft rush stem. Fluorescent light micrograph of a cross section through pith from a soft rush (Juncus effusus) stem. The star-shaped aerenchyma tissue (upper frame)

Marsh samphire stem, light micrograph
Marsh samphire stem. Light micrograph of a transverse section through the stem of a marsh samphire, (Salicornia europaea) plant. This is a succulent, xerophytic, halophyte plant

Water-lily leaf stem, light micrograph
Water-lily leaf stem. Light micrograph of a cross- section through the leaf stem (petiole) of a white water-lily (Nymphaea alba)

Common horsetail stem, light micrograph
Common horsetail stem. Light micrograph of a cross-section through the tip of the condensed stem of the common horsetail (Equisetum arvense), showing the central stem sourrounded by stem leaves

Bogbean stem, light micrograph
Bogbean stem. Light micrograph of a cross-section through the stem of a bogbean plant (Menyanthes trifoliata), showing its internal structure

Mature poppy ovary, light micrograph
Mature poppy ovary. Light micrograph (LM) of a cross-section through a mature poppy ovary, which is incompletely divided by septa (membranes) that do not meet in the centre

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