Bogs and Acidic Peatlands of Southern New England by Marsha C. Salett
Taxonomy
Cladium mariscoides (Muhl.) Torr.
CYPERACEAE (Sedge Family)
EtymologyCladium means small branch, from the Greek kladion; mariscoides means fig-like, from the Latin: marisca = fig + oides = resembles (Greek).
Synonyms (Common Name)Twig-sedge
DescriptionTwig rush is a sedge, not a true rush. Growing 1 - 3' high, twig rush is a medium, perennial sedge that occurs singly or in small clumps. It has stiff stems and clusters of brown spikelets that are borne on the branches of long-stalked flowerheads.
Wetland indicator statusOBL
Plant Height1-3 fet
LeavesNarrow, 1 1/8" wide; grooved toward the base, nearly flat in the middle, inrolled at the tip; leafy bracts.
Flower/InflorescenceTwo to four long-stalked inflorescences with 3-10 spikelet-tipped branches; terminal inflorescence is 2-4"long, widely separated from axillary ones; spikelets lanceolate to ovate, scaly, dull brown; flowers inconspicuous in axils of scales.
FruitAchene, large (approx. 1/8" long), with pointed tip, no tubercle; several scales closely wrap around the achene.
Fruiting PeriodJuly-October.
HabitatBogs, swamps, marshes, lake and pond shores -- particularly coastal plain ponds.
RangeNova Scotia to Minnesota, south to Florida and Kentucky.
(c) 1998-2006 Marsha C. Salett