|Obsumiensis is a clump-forming perennial with short rhizomes, erect to arching, hairy stems. Leaves are oblong-lance-shaped, veined, and pale green in color. Produces upward-facing, widely bell-shaped yellow flowers, brown-spotted inside. In general, Tricyrtis is a woodland perennial resembling false Solomon's Seal in foliage. Flowers are somewhat orchid-like, spotted, 1 inch wide, blooming in late summer or early fall. Flowers bloom at leaf bases and in terminal clusters. They need rich organic soil, and a moist woodland environment.