Relationships of Plumiereae (Apocynaceae). III. Based on floral vasculature

P. C. Datta, R. K. Maiti

Abstract


The study of the floral anatomy of some common Indian species of the tribe Plumiereae (Apocynaceae) supports the conclusions derived from the study of chromosomes and secondary xylem, which are: (1) Holarrhena are distinct from Ervatamia and should be placed in Alostoniinae (Schumann, 1895) and not under Tabernaemontaninae (Bentham and Hooker, 1876). (2) Different subtribes possess distinctive features; and, therefore, the classification into subtribes is justified. (3) Tabernaemontaninae are the most primitive subtirbe from which the others can be derived. (4) Alstoniinae are heterogeneous and are composed of different evolutionary lines. (5) The genus Plumeria stands isolated in tribe Plumiereae and needs separation as a new taxon.

Full Text:

PDF


DOI: https://doi.org/10.5586/asbp.1971.039

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
This is an Open Access journal, which distributes its content under the terms of the Creative Commons Attribution License, which permits redistribution, commercial and non-commercial, provided that the content is properly cited.
The journal is a member of the Committee on Publication Ethics (COPE) and aims to follow the COPE’s principles.
The journal publisher is a member of the Open Access Scholarly Publishers Association.
The journal content is indexed in Similarity Check, the Crossref initiative to prevent scholarly and professional plagiarism.
Publisher
Polish Botanical Society