JOURNAL ARTICLE

« ACACIA ATAXACANTHA » DC. IN AFRICA, WITH PARTICULAR REFERENCE TO NATAL, SOUTH AFRICA

J. H. Ross

Year: 1966 Journal:   Webbia Vol: 21 (2)Pages: 629-652   Publisher: Taylor & Francis

Abstract

SUMMARY The history of Acacia ataxantha DC. and nature of the species was discussed. Field sampling was undertaken in Natal to establish the range of variation within, and among, populations. Parameters for all measurable morphological characters revealed the presence of continuous variation within, and among, these populations. The distribution and nature of the morphological variation in the remainder of Africa was considered. The presence of several morphological tendencies in the southern part of the species range in Africa were noted but, for reasons enumerated, no infraspecific categories were maintained within A. ataxacantha, variety australis Burtt Davy being relegated to synonymy. RIASSUNTO Nel presente lavoro vengono discusse le vicende tassonomiche di Acacia ataxacantha DC. attraverso un'analisi dei caratteri morfologici. Sono state effettuate raccolte di campioni nel Natal per esaminare il grado di variabilità dei caratteri, fra popolazioni diverse e nell'ambito di una stessa popolazione, che si sono rivelati subire una variazione continua. Tale ricerca è stata applicata inoltre ad altri campioni africani ed è stata riscontrata una certa deviazione morfologica dalla media nei campioni provenienti dal settore meridionale dell'area della specie in Africa; tuttavia non è sembrato opportuno ricorrere alla distinzione di entità sottospecifìche. La varietà australis Burtt Davy viene quindi ridotta a sinonimo di A. ataxacantha.

Keywords:
Acacia Geography Agroforestry Environmental science Biology Ecology

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Citation History

Topics

African Botany and Ecology Studies
Life Sciences →  Agricultural and Biological Sciences →  Forestry
Forest ecology and management
Physical Sciences →  Environmental Science →  Nature and Landscape Conservation

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