The Phloem Supply to the Nectaries
Acta botanica neerlandica , Volume 4 - Issue 3 p. 358- 369
Large nectaries, whose secretory tissue is developed at some distance from neighbouring vascular strands, are usually provided with a glandular trace. Very often this strand consists of pure phloem with active sieve tubes, companion cells and phloem parenchyma. Therefore, the glandular trace cught to be looked upon, in the first place, as a functional tissue and not as a rudimentary vascular bundle or an undeveloped provascular strand.
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A. Frey-Wyssling. (1955). The Phloem Supply to the Nectaries. Acta botanica neerlandica, 4(3), 358–369.
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