BIOPHYTUM petersianum Klotzsch [family OXALIDACEAE], in Peters, Reise Mossamb. Bot. 1: 81, t. 15 (1861); C.F.A. 1: 264, t. 9/D (1951); Brenan in Mem. N.Y. Bot. Gard. 8: 231 (1953); F.W.T.A., ed. 2, 1: 159, fig. 59 (1954); Wilczek in F.C.B. 7: 15, t. 1 (1958); Exell in F.Z. 2: 158, t. 24/B (1963). Types: Zanzibar, Peters & Mozambique, Querimba, Peters (both B, syn. †)
Oxalis apodiscias Turcz. [family OXALIDACEAE], in Bull. Soc. Nat. Mosc. 36: 595 (1863). Types: Java, Horsfield (CWU, syn.) & India, Assam, Khasia Mts., Hooker & Thomson 5 (CWU, syn., K, isosyn.)
Oxalis sensitiva [family OXALIDACEAE], sensu Oliv. in F.T.A. 1: 297 (1868), pro parte, non L.
Biophytum apodiscias (Turcz.) Edgew. & Hook.f. [family OXALIDACEAE], in Fl. Br. India 1: 437 (1874); W.F.K.: 22 (1948)
Oxalis sessilis Baill. [family OXALIDACEAE], in Bull. Soc. Linn. Paris 1: 598 (1886), nom. illegit. Type as for species
Biophytum sessile (Baill.) Knuth [family OXALIDACEAE], in E.P. IV. 130: 406 (1930); Delhaye in Bull. Inst. Roy. Col. Belg. 23: 852, t. 1/11–14, 16–20, 24, 25, 31 (1952), nom. illegit.
Biophytum rotundifolium Delhaye [family OXALIDACEAE], in Bull. Inst. Roy. Col. Belg. 23: 855, t. 1/22, 23, 28, 29 (1952). Type: Congo, Katanga, Kapiri valley, Homblé 1107 (BR, holo.!)