Flowering scape stout, viscid-pubescent, 1 to 3 feet high, with green bracts at the inflorescence, otherwise leafless. Leaves all basal, large, oval, ovate, obovate or oblanceolate, pubescent or nearly glabrous, 4 to 10 inches long, obtuse at the apex, narrowed below into a broad petiole, the margins denticulate or repand. Flowers in elongated, loose, terminal panicles, greenish. Each flower about one-eighth of an inch broad or slightly broader; the obtuse calyx lobes reflected; petals five, lanceolate or linear-lanceolate, twice as long as the calyx.

Swamps, wet banks and wet woods, Maine to Ontario, Minnesota, Virginia, Iowa and Missouri. Flowering in May and June.

Memoir 15 N. Y. State Museum

Plate 86

Swamp Saxifrage

Swamp Saxifrage - Micranthes pennsylvanica