Summary[edit] Description: English: Illustration of Polyspatha paniculata a. Flower b. Fertile stamen c. Sterile stamen d. Ovary with style e. Capsule, lateral view f. Capsule, horizontal section g. Seeds, lateral view; dorsal view of embryostega. Date: 1881. Source: Table III from C.B. Clarke's treatment of Commelinaceae in Monographiæ phanerogamarum, 1881. Author: C.B. Clarke in Alphonse Pyramus de Candolle; Lithography by A. Leuba.