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2 748938 Pararistolochia zenkeri (Engl.) Hutch. & Dalziel [80 88681 Aristolochia zenkeri Engl.]
J. Hutchinson, J.M. Dalziel, R.W.J. Keay, Fl. W. Trop. Afr., ed. 2, vol. 1(1): : p. 80, fig. 24 (1954) [E.M. Stones]
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