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Fig. 4 | EvoDevo

Fig. 4

From: Linking the evolution of development of stem vascular system in Nyctaginaceae and its correlation to habit and species diversification

Fig. 4

Cross view of developed stems with successive cambia (ontogeny 2). A, B Andradea floribunda. C Leucaster caniflorus. A Adult stem showing several rings of successive cambia. B Detail of the successive cambia and their vascular products; the phloem form small strands (yellow ellipse). Note the wavy appearance of the vascular tissues. C Rings of successive cambia in more or less regular concentric arrangement (pointers); the arrowhead indicates an incomplete segment between the other upper and lower rings; note the phloem forming small strands (yellow ellipse). Scale bars: 2000 μm (A); 500 μm (A, B). ct conjunctive tissue, pe pericyclic fibres, pi pith, ra ray. A–C Stained with astra blue and safranin

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EvoDevo

ISSN: 2041-9139