ABSTRACT

Ruhland in Urban, Symb. Antill. 1: 487 (1900) & in E.P. 4, 30: 242-279 (1903); H. Hess in Ber. Schweiz. Bot. Ges. 65: 185 (1955); Meikle in F.W.T.A., ed. 2, 3: 67 (1968); Oberm. in F.S.A. 4(2): 19 (1985); Kimpouni, Lejoly & Lisowski in Seyani & Chikuni, Proc. XIII Plenary Meeting AETFAT, Malawi: 567-581 (1994); S.M. Phillips in K.B. 52: 73-89 (1997)