Artigo Acesso aberto Revisado por pares

Anatomy of the Palm Rhapis excelsa, III. Juvenile Phase

1966; Arnold Arboretum of Harvard University; Volume: 47; Issue: 4 Linguagem: Inglês

10.5962/p.185714

ISSN

2474-3283

Autores

P. B. Tomlinson, Martin H. Zimmermann,

Tópico(s)

Tree Root and Stability Studies

Resumo

In the first paper of this series (Zimmermann & Tomlinson, 1965) we showed that in the adult aerial stem of Rhapis excelsa all vascular bundles maintain their individuality and proceed indefinitely through the stem.At intervals, each vertical bundle becomes a leaf trace, but gives off another vertical bundle prior to its departure into the leaf.The number of vertical bundles given off by a leaf trace can vary from zero to two or more, although it is normally one.This means that the number of bundles ' Research by P. B. T. on the anatomy of the palm stem is supported by Na-

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