TY - JOUR T1 - Natural cross-pollination in roselle, Hibiscus sabdariffa L. (Malvaceae) JO - Genetics and Molecular Biology A1 - Vaidya, K.R. SN - 1415-4757 UL - 10.1590/S1415-47572000000300027 VL - 23 Y1 - 2000 PB - Brasil ER -