Flowers usually blue but may be white, pink, or flesh toned. Dried seed pods contain numerous tiny seeds. Burning sensation of the lips, tongue, mouth and throat. Nausea and vomiting may develop. Flowers may be white, white blotched with red and yellow, pink, yellow and red, or red.
Seed is leathery and smooth or warty.
Buckeye seed is glossy brown with a white scar. The seed may be covered with spines. Leaves usually appear in compact rosettes and are thick, hard, pointed and may have spines or teeth along the margins. Flowers usually red or yellow. Chalky white with a bulbous base.