What is "american cowslip"

Cowslip \Cow"slip`\ (-sl[i^]p`), n. [AS. c[=u]slyppe, c[=u]sloppe, prob. orig., cow's droppings. Cf. Slop, n.] (Bot.)

1. A common flower in England ( Primula veris) having yellow blossoms and appearing in early spring. It is often cultivated in the United States.

2. In the United States, the marsh marigold ( Caltha palustris), appearing in wet places in early spring and often used as a pot herb. It is nearer to a buttercup than to a true cowslip. See Illust. of Marsh marigold.

   American cowslip (Bot.), a pretty flower of the West ( Dodecatheon Meadia), belonging to the same order ( Primulace[ae]) with the English cowslip.

   French cowslip (Bot.), bear's-ear ( Primula Auricula).

American Cowslip is a 2009 independent feature film by director Mark David. It revolves around heroin addict, Ethan Inglebrink, whose life is centered on his garden and his group of eccentric friends. American Cowslip is David's third film, following his debut, Sweet Thing (1999), and his second, acclaimed feature, Intoxicating (2003). This was Peter Falk's final film before his death in 2011.