There is only one species of this genus, a native of North America. It is distinguished by having 8 or more petals, not crumpled, and an oblong 2-valved capsule. The name is from the Latin sanguis, blood, the colour of the juice.

1. S. Canadensis. Puccoon. - A perennial herb with a creeping rhizome and radical reniform 5- to 7-lobed leaves, glaucous above, hairy beneath. Scape slightly exceeding the leaves, about 6 inches high, naked, 1-flowered. Flowers white, from 1 to 2 inches in diameter, appearing in early Spring.