Polygala petitiana (Exell) Paiva subsp. parviflora [family POLYGALACEAE], in Fontqueria 50: 228, t. 43/k (1998). Type: Malawi, lower Kasupse, Exell, Mendonça & Wild 819 (BM!, holo.; LISC!, SRGH!, iso.). Fig. 9: 3, p. 17.
Polygala petitiana Exell var. parviflora [family POLYGALACEAE], in Bol. Soc. Brot., sér. 2, 31: 12 (1957) & in F.Z. 1, 1: 334, t. 57/5 (1960). Type: Malawi, lower Kasupse, Exell, Mendonça & Wild 819 (BM!, holo.; LISC!, SRGH!, iso.)
Polygala liniflora [family POLYGALACEAE], [ sensu Exell in J.B. 64: 302 (1926)]