In 1983 the International Society for Horticultural Science approved the formation of the International Protea Working Group. This group, consisting mainly of researchers and botanists, agreed that their work would encompass both African and Australian genera of Proteaceae. The IPWG Symposium is held every 4 years, normally in conjunction with the IPA Conference, and alternate with an IPWG Workshop. Paper presented at IPWG Symposia and Workshops are published in an Acta Horticulturae. The Chairman of the IPWG is Dr. Ken Leonhardt of Hawaii e-mail: leonhard@hawaii.edu The Secretary is Katy Percival of Zimbabwe e-mail: katy@zimflower.co.zw
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