| Field notes | Terrestrial in sandy soil of stream bank, stems short, densely rooted, cataphyll short, lanceolate; petiole sharply D-shaped with a faint medial rib, midrib above flat near base, acute near middle, rounded beneath or slightly higher than broad; spathe green, reflexed; spadix green; fruits purple, subglobose but truncate at apex. Cultivated at MO. Vegetative material of field origin; inflorescence of cultivated origin added 5/9/1988 |