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Figure 22 - Perigynium |
SEDGE FAMILY (Cyperaceae)
IND. STATUS: OBL
FIELD CHARACTERISTICS: A perennial mat-forming (colonial) sedge with stems about 50 to 100 cm. tall. Leaves are glabrous and folded along the midrib. Leaf blades have revolute margins and are up to 2.5-4.5 mm. wide. The perigynia are 2.8-4.3 mm. long and densely pubescent. The beak of the perigynia is less than half of the body length with bidentate teeth up to 0.5 (0.7) mm. long.
ECOLOGICAL NOTES: Woolly sedge is characteristic of floating bog- mats and minerotrophic sedge-mats. It may also occur in saturated swales and on sandy or marly shores and flats. Treated as Carex lasiocarpa var. latifolia (Boeckl.) Gilly by some authors.
SOURCE: Gleason and Cronquist (1991); Swink and Wilhelm (1994); Voss (1972).