Fig. 1 in Monograph of African Costaceae

Fig. 1 Schematic details (* = node of shoot). a. Ligule shapes (the utmost right one: C. lucanusianus); b. ligule lengths (left: C. lateriflorus); c. 1-flowered bract with 1 bracteole and 1 flower; d. 2-flowered bract with 2 bracteoles and 2 flowers; e. drawing of bract with nectary, 2 appendaged bracts, bracteole with nectary, and ovary and calyx with nectary on apex of lobes. — Drawing by Hendrik Rypkema.