Mat-forming perennial to
6 inches (15 cm ) tall from reddish purple rhizomes.
Leaves and stems, dark green. Seedhead simple, nearly
round or oblong, with usually three short leaves just
below. Reproduces by seed and rhizomes. Found in low
areas or where moisture is in excess. Of sporadic occurrences
from Delaware and Rhode Island south through the Carolinas.
Common from Georgia into south Florida, west to Texas
and California. Also occurs in Hawaii, Mexico, Asia,
Indonesia, Australia and Europe.