Anatomical structure of barks in Neotropical genera of Annonaceae

The bark anatomy of 32 Neotropical genera of Annonaceae was studied. A family description based on Neotropical genera and a discussion of individual bark components are presented. Selected character states at the family and genus levels are surveyed for identification purposes. This is followed by a...

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Bibliographic Details
Published in:Annales botanici fennici 2007, Vol.44, p.79-132
Main Authors: Junikka, Leo, Koek-Noorman, Jifke
Format: Article
Language:English
Subjects:
Anatomy
Bark
Crystals
Genera
Parenchyma
Periderm
Phloem
Sclereids
Secretory cells
Taxa
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Summary:The bark anatomy of 32 Neotropical genera of Annonaceae was studied. A family description based on Neotropical genera and a discussion of individual bark components are presented. Selected character states at the family and genus levels are surveyed for identification purposes. This is followed by a discussion on the taxonomical and phylogenetic relevance of bark characters according to a phylogram in preparation based on molecular characters. Although the value of many bark anatomical characters turned out to be insignificant in systematic studies of the family, some features lend support to recent phylogenetic results based on morphological and molecular data sets. The taxonomically most informative features of the bark anatomy are sclerification of phellem cells, shape of fibre groups and occurrence of crystals in bark components.
ISSN:0003-3847
1797-2442