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Brittonia

, Volume 49, Issue 4, pp 487–497 | Cite as

Revision and typification of Brazilian Augusta (Rubiaceae, Rondeletieae), with ecological observations on the riverine vegetation of the cerrado and Atlantic forests

  • Piero G. Delprete
Articles

Abstract

A revision of Brazilian Augusta and general comments on the systematics of this genus are presented. The complex taxonomic history of this taxon has caused confusion over its correct nomenclature. The peculiar geographic distribution of Augusta has stimulated field observations and analysis of the ecology of the Brazilian ecosystems where this taxon occurs, which are here presented. The five Brazilian species of Augusta described by Pohl are here treated as ecotypes of A. longifolia. This species has two distinct varieties: var. Longifolia, widespread throughout the Brazilian cerrado, and var. parvifolia, endemic to the Atlantic forest near Rio de Janeiro. Typification, list of representative specimens, and distribution map of A. longifolia are also included.

Key words

Augusta Lindenia Rondeletieae Rubiaceae Brazil cerrado Atlantic forest gallery forest rheophytes 

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Copyright information

© The New York Botanical Garden 1997

Authors and Affiliations

  • Piero G. Delprete
    • 1
  1. 1.Institute of Systematic BotanyThe New York Botanical GardenBronxUSA

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