Botanical name: Schoenoplectiella articulata Family: Cyperaceae (Sedge family)
Synonyms: Eleocharis incurvata, Isolepis incurvata, Scirpus articulatus
Jointed Sedge is an erect clustered non rhizomatous perennial herb, 25-35 cm tall; stem round, transversely septate, hollow, smooth, hairless, green. Leaves are well developed in young plants, when matures leaves are not seen and base of the stem covered with 2-3 bladeless sheaths only; sheaths 2-3, upper ones 5-10 cm long, cylindrical, mouth flat, lower sheaths reduced, 1-15 cm long. Flowers are borne in a head, at the knee of the stem (inflorescence appear above the water surface), 1-3 cm long and wide; bracts 1, erect, continuous with the stem, much longer than the stem. Spikelets are cylindrical, 8-15 x 3-4 mm, stalkless, oblong-pointed; rachilla persistent, wingless. Jointed Sedge is found in India Africa and Australia. Flowering: August-December.
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The flower labeled Jointed Sedge is ...