Title

Soursob (Oxalis pes-caprae L) in Western Australia : its life history, distribution, morphological variation and weed potential

Authors

J R. Peirce

Document Type

Technical Bulletin

Publication Date

1973

Series Number

20

Keywords

Geographical distribution, Weeds, Western Australia, Plant morphology, Life history, Oxalis pes-caprae

Abstract

Soursob, Oxalis pes-caprae L., has grown for many years in the south-west of Western Australia. A survey indicated that O. pes-caprae was confined mainly to water courses and adjacent flat areas subjected to flooding, suggesting that water was the major agent in distributing bulbs. A study of species found during the survey indicated considerable morphological variation. Basing variation on leaflet markings, sepal colouring and style length some 30 varieties were noted but only two, a short-styled varietynd a mid-styled variety, were found infesting land used for agriculture.

Comments

Withdrawn from circulation July 1998

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