About Carex trisperma var. billingsii O.W.Knight
Carex trisperma is a clump-forming perennial plant that grows from a rhizome. It has basal and alternate flat leaves, with whitish leaf sheaths, and brownish-colored basal sheaths. Its stems are slender, reaching up to 2 feet in length. It generally produces up to 3 stalkless spikes, with staminate flowers located at the base of each spike and pistillate flowers at the tip. Its fruit is an achene, which develops from late spring through summer. Carex trisperma has a circumpolar distribution, and it grows in wetland conditions, swampland, and bogs within coniferous forests.
